The Tower of Death or Kalyan minaret dating from 1127, and the Poi Kalyan Madrasah, dating from the 12th to 19th centuries, Bukhara, Uzbekistan, Central Asia, Asia

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

Building in courtyard of Kalon Mosque, also known as Kalyan Mosque, and Kalon Minaret, Bukhara, Uzbekistan

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

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

Mir I Arab Madrasah, Poi Kalon, Bukhara, Uzbekistan