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    • Altars >
      • Altar of St Joseph
      • Altar of St Gregory the Great in St Peter's Basilica in Rome
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    • Ceiling: Part One >
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    • Fountain of the Cannonball
    • Fountain of the Four Lions
    • Fountain of the Four Rivers
    • Fountain of the Goddess Roma
    • Fountain of the Moor
    • Fountain of the Naiads
    • Fountain of the Pantheon
    • Fountain of the Porter
    • Fountains of St Peter's Square
    • Fountain of the Seahorses
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      • Cappella di Sant' Ignazio
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      • Cappella Castiglione
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    • San Giovanni in Laterano >
      • Cappella Corsini
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      • Cappella Antamoro
      • Cappella Spada
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    • San Lorenzo in Damaso
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      • Cappella Contarelli
    • San Marco
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      • Cappella Albani
    • San Silvestro in Capite
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    • Sant' Agnese in Agone
    • Sant' Agostino
    • Sant' Anastasia
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    • Sant' Andrea delle Fratte
    • Sant' Antonio dei Portoghesi
    • Sant' Ignazio di Loyola
    • Sant' Ivo alla Sapienza
    • Santa Caterina dei Funari
    • Santa Cecilia in Trastevere
    • Santa Costanza
    • Santa Croce in Gerusalemme >
      • Chapel of St Helen
    • Santa Francesca Romana
    • Santa Maria degli Angeli
    • Santa Maria del Popolo >
      • Cappella Cerasi
      • Cappella Chigi
    • Santa Maria del Priorato
    • Santa Maria della Pace >
      • Chigi Chapel
    • Santa Maria della Vittoria >
      • Cappella Cornaro
    • Santa Maria dell' Anima
    • Santa Maria dell' Orazione e Morte
    • Santa Maria dell' Orto
    • Santa Maria di Loreto
    • Santa Maria in Aracoeli >
      • Cappella Bufalini
    • Santa Maria in Campitelli
    • Santa Maria in Cosmedin
    • Santa Maria in Domnica
    • Santa Maria in Trastevere >
      • Cappella Altemps
    • Santa Maria in Via
    • Santa Maria Maddalena
    • Santa Maria Maggiore >
      • Baptistery
      • Cappella Paolina
      • Cappella Sistina
    • Santa Maria sopra Minerva >
      • Cappella Carafa
      • Cappella dell' Annunziata
    • Santa Prassede
    • Santa Sabina >
      • Chapel of St Catherine
      • Chapel of St Hyacinth
    • Santa Susanna
    • Santi Apostoli
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    • Santi Domenico e Sisto
    • Santi Giovanni e Paolo
    • Santi Luca e Martina
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    • Santissima Trinità degli Spagnoli
    • Santissima Trinità di Monti
    • Santissimo Nome di Maria
  • Palatine
  • Forum
    • Arch of Septimius Severus
    • Arch of Titus
    • Basilica of Maxentius
    • Curia Julia
    • Temple of Antoninus Pius
    • Temple of Castor and Pollux
    • Temple of Saturn
    • Temple of Venus and Rome
    • Temple of Vesta
  • Ancient Monuments
    • Aqueducts
    • Ara Pacis
    • Arch of Constantine
    • Arch of the Money-Changers
    • Arch of Janus
    • Aurelian Walls
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    • Castel Sant' Angelo
    • Catacombs of Domitilla
    • Circus Maxentius
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    • Colosseum
    • Column of Marcus Aurelius
    • Column of Trajan
    • Forum of Augustus
    • Forum of Trajan
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    • Nymphaeum
    • Pantheon
    • Ponte Fabricio
    • Ponte Milvio
    • Ponte Rotto
    • Ponte Sant' Angelo
    • Porta Maggiore
    • Porta San Paolo
    • Porta San Sebastiano
    • Portico of Octavia
    • Pyramid of Cestius
    • Temple of Hadrian
    • Temple of Hercules
    • Temple of Portunus
    • Theatre of Marcellus
    • Tomb of Caecilia Metella
    • Via Appia
  • Obelisks
    • 'Minerveo' Obelisk
    • 'Flaminio' Obelisk
    • 'Matteiano' Obelisk
    • 'Lateran' Obelisk
    • 'Dogali' Obelisk
    • 'Macuteo' Obelisk
    • 'Solare' Obelisk
    • 'Vatican' Obelisk
    • 'Agonalis' Obelisk
    • 'Sallustiano' Obelisk
    • 'Quirinale' Obelisk
    • 'Esquiline' Obelisk
    • 'Pinciano' Obelisk
    • 'Mediceo' Obelisk
    • 'Torlonia' Obelisks
    • 'Mussolini' Obelisk
    • 'Marconi' Obelisk
  • Mosaics
    • S. Agnese fuori le Mura
    • S. Cecilia in Trastevere
    • S. Clemente
    • S. Francesca Romana
    • S. Lorenzo fuori le Mura
    • S. Marco
    • S. Maria in Domnica
    • S. Maria in Trastevere
    • S. Maria Maggiore
    • S. Prassede
    • S. Pudenziana
    • S. Venanzio
    • S. Zenone
    • Ss. Cosma e Damiano
    • Ss. Nereo e Achilleo
  • Gallery
    • Ancient Rome
    • Churches
    • Domes
    • Fountains
    • Old Photographs
    • Palaces
    • Papal Coats of Arms
    • Street Shrines
  • Vatican Museums
    • Borgia Apartment
    • Cappella Niccolina
    • Gallery of the Candelabras
    • Gallery of the Maps
    • Gallery of the Tapestries
    • 'Raphael' Tapestries
    • Stanza della Segnatura
    • Stanza di Eliodoro
    • Stanza dell' Incendio
  • Palazzi
    • Palazzo Barberini
    • Palazzo del Quirinale
    • Palazzo della Cancelleria
    • Palazzo della Consulta
    • Palazzo delle Esposizioni
    • Palazzo Farnese
    • Palazzo Laterano
    • Palazzo Madama
    • Palazzo Spada
    • Palazzo Venezia
    • Villa Giulia
    • Villa Farnesina
    • Villa Medici
  • Galleries & Museums
    • Galleria Borghese
    • Galleria Colonna
    • Galleria Doria-Pamphilj
    • Musei Capitolini
  • Piazzas
    • Campo de' Fiori
    • Piazza dei Cavalieri di Malta
    • Piazza del Campidoglio
    • Piazza del Popolo
    • Piazza del Quirinale
    • Piazza della Repubblica
    • Piazza Farnese
    • Piazza Navona
    • Piazza San Pietro
    • Piazza Vittorio
  • Miscellaneous
    • A Calendar of Saints
    • Antico Caffè Greco
    • Babington's Tea Rooms
    • Borromini & the Baroque
    • Catacombs
    • Cloisters
    • Column of the Immaculate Conception
    • Domes
    • EUR
    • House of the Owls
    • Jewish Ghetto
    • Knights of Malta
    • Mithraism
    • Monumental Complex of S. Spirito in Sassia
    • Ponte Sisto
    • 'Protestant' Cemetery
    • Quartiere Coppedè
    • Spanish Steps
    • 'Talking' Statues
    • Tiber Island
    • Villa Borghese
    • Vittoriano
  • Rioni
    • Rione I - Monti
    • Rione II - Trevi
    • Rione III - Colonna
    • Rione IV - Campo Marzio
    • Rione V - Ponte
    • Rione VI - Parione
    • Rione VII - Regola
    • Rione VIII - Sant' Eustachio
    • Rione IX - Pigna
    • Rione X - Campitelli
    • Rione XI - Sant' Angelo
    • Rione XII - Ripa
    • Rione XIII - Trastevere
    • Rione XIV - Borgo
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Walking Tours of Rome

Squaring the Circle!

1/7/2021

 
Map
Baptistery vault by Giuseppe Sardi, San Lorenzo in Lucina, Rome
Baptistery vault, San Lorenzo in Lucina
The baptistery in the church of San Lorenzo in Lucina was designed by Giuseppe Sardi (1680-1768). The architect created a beautiful but somewhat unusual vault, with a square rather than usual round oculus. 

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    Notes on Rome, its
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    Walking Tours For Discerning Travellers
    My name is David Lown and I am an art historian from Cambridge, England. Since 2001 I have lived in Italy, where I run private and
    small-group walking tours
    of Rome.
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  • Images
  • St Peter's Basilica
    • Altars >
      • Altar of St Joseph
      • Altar of St Gregory the Great in St Peter's Basilica in Rome
      • Altar of the Madonna of Succour
      • Altar of St Sebastian
      • Altar of the Lie
      • Altar of the Presentation of the Virgin
      • Altar of St Jerome
      • Altar of the Transfiguration
      • Altar of Pope Leo the Great
    • Monuments >
      • Countess Matilda of Canossa
      • Maria Clementina Sobieska
      • Queen Christina of Sweden
      • Pope Innocent VIII
      • Pope Paul III
      • Pope Gregory XIII
      • Pope Gregory XIV
      • Pope Leo XI
      • Pope Urban VIII
      • Pope Alexander VII
      • Pope Clement X
      • Pope Innocent XI
      • Pope Alexander VIII
      • Pope Innocent XII
      • Pope Benedict XIV
      • Pope Clement XIII
      • Pope Pius VII
      • Pope Leo XII
      • Pope Pius VIII
      • Pope Gregory XVI
      • Pope Pius X
      • Pope Benedict XV
      • Pope Pius XI
      • Pope Pius XII
      • Pope John XXIII
      • The Stuarts
    • Portico >
      • Door of Death
      • Door of Good and Evil
      • Central Door
      • Door of the Sacraments
      • Holy Door
    • Pieta
    • Chapel of the Blessed Sacrament
    • Cathedra Petri
    • Crossing >
      • Baldacchino
      • Confessio
      • Dome
      • St Longinus
      • St Helena
      • St Veronica
      • St Andrew
    • St Peter
    • Chapel of the Choir
    • Chapel of the Baptistery
    • Nave
  • Sistine Chapel
    • North Wall
    • South Wall
    • East Wall
    • Ceiling: Part One >
      • Ceiling: Part Two
      • Ceiling: Part Three
    • The Last Judgement
  • Fountains
    • Fontana della Barcaccia
    • Fountain of Moses
    • Fountain of Neptune
    • Fountains of Piazza Farnese
    • Fountain of the Acqua Paola
    • Fountain of the Bees
    • Fountain of the Cannonball
    • Fountain of the Four Lions
    • Fountain of the Four Rivers
    • Fountain of the Goddess Roma
    • Fountain of the Moor
    • Fountain of the Naiads
    • Fountain of the Pantheon
    • Fountain of the Porter
    • Fountains of St Peter's Square
    • Fountain of the Seahorses
    • Fountain of the Triton
    • Fountain of the Turtles
    • Four Fountains
    • Rioni Fountains
    • Street Fountains
    • Trevi Fountain
    • Venice Marries the Sea
  • Churches
    • Chiesa del Gesù >
      • Cappella di Sant' Ignazio
    • Chiesa Nuova
    • Lateran Baptistery
    • San Bartolomeo all' Isola
    • San Carlo ai Catinari
    • San Carlo al Corso
    • San Carlo alle Quattro Fontane
    • San Clemente >
      • Cappella Castiglione
    • San Crisogono
    • San Francesco a Ripa >
      • Cappella Altieri
      • Cappella Rospigliosi-Pallavicini
    • San Giorgio in Velabro
    • San Giovanni a Porta Latina
    • San Giovanni dei Fiorentini
    • San Giovanni in Laterano >
      • Cappella Corsini
    • San Girolamo della Carità >
      • Cappella Antamoro
      • Cappella Spada
    • San Gregorio Magno
    • San Lorenzo fuori le Mura
    • San Lorenzo in Damaso
    • San Lorenzo in Lucina
    • San Luigi dei Francesi >
      • Cappella Contarelli
    • San Marco
    • San Pancrazio
    • San Paolo fuori le Mura
    • San Pietro in Montorio
    • San Pietro in Vincoli
    • San Saba
    • San Sebastiano fuori le Mura >
      • Cappella Albani
    • San Silvestro in Capite
    • San Vitale
    • Sant' Agnese fuori le Mura
    • Sant' Agnese in Agone
    • Sant' Agostino
    • Sant' Anastasia
    • Sant' Andrea al Quirinale
    • Sant' Andrea della Valle
    • Sant' Andrea delle Fratte
    • Sant' Antonio dei Portoghesi
    • Sant' Ignazio di Loyola
    • Sant' Ivo alla Sapienza
    • Santa Caterina dei Funari
    • Santa Cecilia in Trastevere
    • Santa Costanza
    • Santa Croce in Gerusalemme >
      • Chapel of St Helen
    • Santa Francesca Romana
    • Santa Maria degli Angeli
    • Santa Maria del Popolo >
      • Cappella Cerasi
      • Cappella Chigi
    • Santa Maria del Priorato
    • Santa Maria della Pace >
      • Chigi Chapel
    • Santa Maria della Vittoria >
      • Cappella Cornaro
    • Santa Maria dell' Anima
    • Santa Maria dell' Orazione e Morte
    • Santa Maria dell' Orto
    • Santa Maria di Loreto
    • Santa Maria in Aracoeli >
      • Cappella Bufalini
    • Santa Maria in Campitelli
    • Santa Maria in Cosmedin
    • Santa Maria in Domnica
    • Santa Maria in Trastevere >
      • Cappella Altemps
    • Santa Maria in Via
    • Santa Maria Maddalena
    • Santa Maria Maggiore >
      • Baptistery
      • Cappella Paolina
      • Cappella Sistina
    • Santa Maria sopra Minerva >
      • Cappella Carafa
      • Cappella dell' Annunziata
    • Santa Prassede
    • Santa Sabina >
      • Chapel of St Catherine
      • Chapel of St Hyacinth
    • Santa Susanna
    • Santi Apostoli
    • Santi Cosma e Damiano
    • Santi Domenico e Sisto
    • Santi Giovanni e Paolo
    • Santi Luca e Martina
    • Santi Nereo e Achilleo
    • Santi Quattro Coronati
    • Santissima Trinità degli Spagnoli
    • Santissima Trinità di Monti
    • Santissimo Nome di Maria
  • Palatine
  • Forum
    • Arch of Septimius Severus
    • Arch of Titus
    • Basilica of Maxentius
    • Curia Julia
    • Temple of Antoninus Pius
    • Temple of Castor and Pollux
    • Temple of Saturn
    • Temple of Venus and Rome
    • Temple of Vesta
  • Ancient Monuments
    • Aqueducts
    • Ara Pacis
    • Arch of Constantine
    • Arch of the Money-Changers
    • Arch of Janus
    • Aurelian Walls
    • Baths of Caracalla
    • Baths of Diocletian
    • Castel Sant' Angelo
    • Catacombs of Domitilla
    • Circus Maxentius
    • Circus Maximus
    • Colosseum
    • Column of Marcus Aurelius
    • Column of Trajan
    • Forum of Augustus
    • Forum of Trajan
    • Mausoleum of Augustus
    • Nymphaeum
    • Pantheon
    • Ponte Fabricio
    • Ponte Milvio
    • Ponte Rotto
    • Ponte Sant' Angelo
    • Porta Maggiore
    • Porta San Paolo
    • Porta San Sebastiano
    • Portico of Octavia
    • Pyramid of Cestius
    • Temple of Hadrian
    • Temple of Hercules
    • Temple of Portunus
    • Theatre of Marcellus
    • Tomb of Caecilia Metella
    • Via Appia
  • Obelisks
    • 'Minerveo' Obelisk
    • 'Flaminio' Obelisk
    • 'Matteiano' Obelisk
    • 'Lateran' Obelisk
    • 'Dogali' Obelisk
    • 'Macuteo' Obelisk
    • 'Solare' Obelisk
    • 'Vatican' Obelisk
    • 'Agonalis' Obelisk
    • 'Sallustiano' Obelisk
    • 'Quirinale' Obelisk
    • 'Esquiline' Obelisk
    • 'Pinciano' Obelisk
    • 'Mediceo' Obelisk
    • 'Torlonia' Obelisks
    • 'Mussolini' Obelisk
    • 'Marconi' Obelisk
  • Mosaics
    • S. Agnese fuori le Mura
    • S. Cecilia in Trastevere
    • S. Clemente
    • S. Francesca Romana
    • S. Lorenzo fuori le Mura
    • S. Marco
    • S. Maria in Domnica
    • S. Maria in Trastevere
    • S. Maria Maggiore
    • S. Prassede
    • S. Pudenziana
    • S. Venanzio
    • S. Zenone
    • Ss. Cosma e Damiano
    • Ss. Nereo e Achilleo
  • Gallery
    • Ancient Rome
    • Churches
    • Domes
    • Fountains
    • Old Photographs
    • Palaces
    • Papal Coats of Arms
    • Street Shrines
  • Vatican Museums
    • Borgia Apartment
    • Cappella Niccolina
    • Gallery of the Candelabras
    • Gallery of the Maps
    • Gallery of the Tapestries
    • 'Raphael' Tapestries
    • Stanza della Segnatura
    • Stanza di Eliodoro
    • Stanza dell' Incendio
  • Palazzi
    • Palazzo Barberini
    • Palazzo del Quirinale
    • Palazzo della Cancelleria
    • Palazzo della Consulta
    • Palazzo delle Esposizioni
    • Palazzo Farnese
    • Palazzo Laterano
    • Palazzo Madama
    • Palazzo Spada
    • Palazzo Venezia
    • Villa Giulia
    • Villa Farnesina
    • Villa Medici
  • Galleries & Museums
    • Galleria Borghese
    • Galleria Colonna
    • Galleria Doria-Pamphilj
    • Musei Capitolini
  • Piazzas
    • Campo de' Fiori
    • Piazza dei Cavalieri di Malta
    • Piazza del Campidoglio
    • Piazza del Popolo
    • Piazza del Quirinale
    • Piazza della Repubblica
    • Piazza Farnese
    • Piazza Navona
    • Piazza San Pietro
    • Piazza Vittorio
  • Miscellaneous
    • A Calendar of Saints
    • Antico Caffè Greco
    • Babington's Tea Rooms
    • Borromini & the Baroque
    • Catacombs
    • Cloisters
    • Column of the Immaculate Conception
    • Domes
    • EUR
    • House of the Owls
    • Jewish Ghetto
    • Knights of Malta
    • Mithraism
    • Monumental Complex of S. Spirito in Sassia
    • Ponte Sisto
    • 'Protestant' Cemetery
    • Quartiere Coppedè
    • Spanish Steps
    • 'Talking' Statues
    • Tiber Island
    • Villa Borghese
    • Vittoriano
  • Rioni
    • Rione I - Monti
    • Rione II - Trevi
    • Rione III - Colonna
    • Rione IV - Campo Marzio
    • Rione V - Ponte
    • Rione VI - Parione
    • Rione VII - Regola
    • Rione VIII - Sant' Eustachio
    • Rione IX - Pigna
    • Rione X - Campitelli
    • Rione XI - Sant' Angelo
    • Rione XII - Ripa
    • Rione XIII - Trastevere
    • Rione XIV - Borgo
  • On This Day in Italy
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  • Pictures from Italy
    • Florence: A Literary Tour