Ulugh Beg's Observatory, UNESCO World Heritage Site, Samarkand, Uzbekistan, Central Asia

Ulugh Sultan Begim Mausoleum (right), Shah-I-Zinda, Samarkand, Uzbekistan

Ulugh Sultan Begim Mausoleum, Shah-I-Zinda, Samarkand, Uzbekistan

Iwan Facade, Madrasah Mirzo Ulugh Bek, 1417, Buhkara, Uzbekistan

Iwan Facade, Madrasah Mirzo Ulugh Bek, 1417, Buhkara, Uzbekistan

At right Ulugh Sultan Begim mausoleum, in the middle Ustad Ali mausoleum, and at left Shad-i-Mulk Aqa mausoleum , Shah-i-Zinda complex, Samarkand, Uzbekistan

Top of Ulugh Beg Minaret at Memorial Complex of Al Gijduvani, Gijduvan, near Bukhara, Uzbekistan

Ulugh Beg Madrasah and Minaret at Memorial Complex of Al Gijduvani, Gijduvan, near Bukhara, Uzbekistan

Timur,??s jade tomb, Gur Emir Mausoleum, (Gur Amir, Guri Amir, Gur-E Amir, and Gur-I Amir), Samarkand, Uzbekistan

Ulugh Beg Madrasah, also known as Ulugbek Madrasah, Registan Square, Samarkand, Uzbekistan

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

Ulugh Beg Madrasah and Al Gijduvani Memorial, Memorial Complex of Al Gijduvani, Gijduvan, near Bukhara, Uzbekistan

Ulugh Beg Madrasah, also known as Ulugbek Madrasah, Registan Square, Samarkand, Uzbekistan

Minaret at Kok Gumbaz Mosque in Dorut Tilovat Complex, Shakhrisabz, Uzbekistan

Ulugh Beg Madrasah, also known as Ulugbek Madrasah, Registan Square, Samarkand, Uzbekistan

Ulugh Beg Observatory and Museum, also known as Ulugbek Observatory and Museum, Samarkand, Uzbekistan

Registan with the medressa Ulugh Beg, Tilla Kari and Sher dar, Samarkand, UNESCO World Heritage Site, Uzbekistan