Wikipedia
Teishebaini (also Teshebani, modern Karmir Blur referring more to the hill that the fortress is located upon) was the capital of the Transcaucasian provinces of the ancient kingdom of Urartu. It is located near the modern city of Yerevan in Armenia. The site was once a fortress and governmental centre with towered and buttressed perimeter walls, massive gates, a parade ground within its walls, and storage rooms that entirely occupied the ground floor. The site of the city, palace and citadel together measure over . The name Karmir Blur translates to "Red Hill" because of the hill's reddish hue. It became this color after the city was set on fire and the upper walls which were made of tuff fell and crumbled because of the heat. After the tuff was heated by the fire, it took on a more intense red color and therefore the hill became red. The lower portions of the walls were left standing after the fire since they were built with a stronger stone. Teishebaini is situated at a height of .