The fundaments of the Kuhna Ark, the historical fortress of Khiva date from the 5th century, butr most of the buldings date from the 19th century.[br]The summer mosque dates from 1838. The glazed tiles are created by two local masters: Ibadullah and Abdullah Jin, who also created the tiles of the Tash Hauli palace.[br]Remarkable is that the walls of the iwan of the summer mosque completely are decorated with glazed tiles, but in different patterns.

One of the patterns is built up only out of hexagons, or when regarding two of the little hexagons as one tie out of hexagond and ties.