Spain, Andalucia, Cordoba, Arched doorway to the Mezquita Cathedral.

Spain, Andalucia, Cordoba, Arched doorway to the Mezquita Cathedral.

Uzbekistan, Samarkand, Entrance to Shah-i-Zinda, also known as Shah I Zinda and Shah-i Zinda.

Uzbekistan, Samarkand, Entrance to Shah-i-Zinda, also known as Shah I Zinda and Shah-i Zinda.

Uzbekistan, Samarkand, Bibi Khanym Mosque, also known as Bibi Khanum Mosque.

Uzbekistan, Bukhara, Ulugh Beg Madrasah at the Memorial Complex of Al Gijduvani, Gijduvan.

Uzbekistan, Bukhara, Building in Bakhauddin Naqshband Complex, also known as Memorial of Baha Ad Din Naqshband.

Uzbekistan, Bukhara, Chor Minor Madrasah, also known as Chor Minar Madrasah.

Uzbekistan, Bukhara, Ulugh Beg Madrasah, also known as Ulugbek Madrasah.

Uzbekistan, Bukhara, Kalon Mosque courtyard, also known as Kalyan Mosque, Kalon Minaret and Mir-i Arab Madrasah behind.

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

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