MG 7144Obelisk in St Peter's Square. The hieroglyphs have been erased from it per Papal order. MG 7146Vatican City MG 7147 MG 7149Some sidewalk repair needed. MG 7155Ponte statues. MG 7156Palace of Justice MG 7159Piazza Navona MG 7163 MG 7164 MG 7168One of the "Four Rivers" MG 7172 MG 7173 MG 7186Caravaggio paintings at San Luigi dei Francesi MG 7188San Luigi dei Francesi MG 7196The Pantheon, built by Romans 2000 years ago. MG 7199 MG 7207The dome of the Panteheon is made of unreinforced (!) Roman concrete. MG 7200The oculus provides natural light. The floor below is slightly raised so when it rains, the water drains away. MG 7220Pantheon exterior MG 7226An exhibit that happened to be open while we were in Rome. Vatican CityTivoli