Uzbekistan, Bukhara, Domed roof of Toqi Zargaron, also known as Toki Zargaron, jewellers trading market.

Uzbekistan, Bukhara, Outer walls of the Ark Fortress, Registan Square.

Uzbekistan, Bukhara, Outer walls of the Ark Fortress, Registan Square.

Uzbekistan, Bukhara, Entrance, outer walls and viewing gallery of the Ark Fortress, Registan Square.

Uzbekistan, Bukhara, Dome of Toqi Sarrofon, also known as Toki Sarrafon, city gate and money changers trading dome.

Uzbekistan, Khiva,Close up of Kalta Minor Minaret, also known as Kalta Minar Minaret, Ichan Kala.

Uzbekistan, Khiva, Exterior detail of Tash Khauli, also known as Tosh Hovli, Ichan Kala.

Uzbekistan, Khiva, Exterior detail of Tash Khauli, also known as Tosh Hovli, Ichan Kala.

Uzbekistan, Khiva, Kalta Minor Minaret, also known as Kalta Minar Minaret, Ichan Kala.

Uzbekistam, Khorezm, An ancient wall at Ayaz Kala Fortress 1, Ayaz Kala.

USA, New York State, New York City, Manhattan, Exterior of Tender Buttons Store in East 62nd Street on the Upper East Side.

Poland, Krakow, Old Town, Barbakan or Barbican, Defensive gate.