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.

Uzbekistan, Khiva, An archway in the Mosque in Kunya Ark, also known as Kohna Ark, Ichan Kala.

Uzbekistam, Khorezm, An Ellik Kala gateway, Ellik Kala.

Myanmar, Shan State, Nyaung Shwe, Wall at Shwe Yan Pyay Monastery, also known as Shwe Yaunghwe Monastery.

Italy, Tuscany, Lucca, Barga, Arched door and letter box to a house in the old town.

Greece, Attica, Athens, Hadrians Arch.

Mexico, Bajio, San Miguel de Allende, Bellas Artes, Mural by Pedro Martinez dated 1940 with woman descending flight of stairs in foreground.

England, London, St Pancras Station roof.

England, London, St Pancras Station roof interior.

USA, Nevada, Las Vegas, Canals at the Venetian.

USA, Nevada, Las Vegas, Entrance to Caesars Palace.