This UNESCO cover from Russia depicts a complete set issued in 2005, celebrating the millenium of Kazan and with several pictures of Kazan Kremlin. The Kazan Kremlin is the chief historic citadel of Russia, situated in the city of Kazan. Built on an ancient site, the Kazan Kremlin dates from the Muslim period of the Golden Horde and the Kazan Khanate. It was conquered by Ivan the Terrible in 1552 and became the Christian See of the Volga Land. The only surviving Tatar fortress in Russia and an important place of pilgrimage, the Kazan Kremlin consists of an outstanding group of historic buildings dating from the 16th to 19th centuries, integrating remains of earlier structures of the 10th to 16th centuries.It was declared a World Heritage Site in 2000.
