Uzbekistan, Bukhara, Islamic architecture in courtyard, Kalon Mosque, also known as Kalyan Mosque, Poi Kalon.

Uzbekistan, Bukhara, The arch in the Coronation Hall, in the Ark Fortress, Registan Square.

Poland, Krakow, Collegium Maius University, Courtyard.

Poland, Krakow, Archbishop's Palace or Palac Biskupi, Palace courtyard with statue of Saint John Paul 2nd.

Poland, Krakow, Archbishop's Palace or Palac Biskupi, Palace courtyard with statue of Saint John Paul 2nd.

Poland, Krakow, Wawel Hill, Wawel Castle, Tiered arcades in the courtyard.

Poland, Warsaw, Royal Castle, section of another of the castle's towers seen from the courtyard.

Poland, Warsaw, Royal Castle, clock tower seen from castle courtyard.

Poland, Warsaw, Royal Castle, clock tower seen from castle courtyard.

Poland, Warsaw, Royal Castle courtyard.

Poland, Warsaw, Royal Castle courtyard.

Poland, Warsaw, another of the castle's towers seen from the courtyard.