Ark of Bukhara, a citadel dated 7th Century AD in Bukhara, Uzbekistan

 Ark of Bukhara, a citadel dated 7th Century AD in Bukhara, Uzbekistan.

It is as old as city itself; being a military fortress, it is also a small palatial city that throughout history has been seat of several royal courts that existed in and around Bukhara.