Jahan Kosha Cannon
…The Jahan Kosha Cannon (lit. 'Destroyer of the World'), also known as the Great Gun, is placed in the Topekhana, 400 meters to the south east of the Katra Mosque, in the town of Murshidabad, West Bengal, India. Topekhana was the Nawabs' artillery park and the entrance gate of the old capital of Bengal, Bihar and…