Castle of Aleppo, is a large medieval fortified palace in the centre of the old city of Aleppo. It is considered to be one of the oldest and largest castles in the world. Usage of the Citadel hill dates back at least to the middle of the 3rd millennium BC. Follow our Facebook on: https://www.facebook.com/presstvchannel Follow our Twitter on: http://twitter.com/presstv