Ablution fountain, Kalyan Minaret and Kalyan Mosque with the domes of the madrasah in the background at the Poi-Kalyan complex in the historic centre of Bukhara, Uzbekistan. Kalyan Minaret was built in 1127 and it is made in the form of a circular pillar baked brick tower. The mosque was built in 1514. Bukhara is a city museum with over 140 architectural monuments. The historic centre of Bukhara,