Low angle view of columns and majolica tiling, winter mosque, Kukhna Ark, Khiva, Uzbekistan, pictured on July 6, 2010, in the afternoon. The Kukhna Ark is the original home of the Khans. Although its foundations are 5th century, most of the complex is 19th century. Khiva, ancient and remote, is the most intact Silk Road city. Ichan Kala, its old town, was the first site in Uzbekistan to become a World Heritage Site(1991). Picture by Manuel Cohen.