Diyarbakır Citywall

The Fortifications of Diyarbakır are a set of fortifications enclosing the historical district of Sur in Diyarbakır, Turkey. They consist of an inner fortress, the citadel, and an outer ring of city walls.The main gates of the city are: Dağ Gate, Urfa Gate, Mardin Gate, and Yeni Gate. The walls come from the old Roman city of Amida and were constructed in their present form in the mid-fourth century AD by the emperor Constantius II. According to Armenian historian Movses Khorenatsi, the fortifications and powerful walls of Amid-Diyarbakir were built in the middle of 6th century BC under King Tigranes of and during the Yervanduni.They are the widest and longest complete defensive walls in the world after only the Great Wall of China.UNESCO added the building to their tentative list on 2000, and listed it along with Hevsel Gardens as a World Heritage Site in 2015, under the designation Diyarbakır Fortress.