In 1977 the theater became a Jehovah's Witness Chapel known as the Watchtower. These small structures are usually small battlements with cannon placements and watchtower. These forts served as watchtower or forts against the enemy. So Dhaka was most likely used as the watchtower for the fortification purpose. The last coastal watchtower to be built was Isopu Tower in 1667. That document speaks about an elevation with a fortified watchtower. The album contains a live version of Bob Dylan's "All Along the Watchtower". It segued into a cover of Bob Dylan's "All Along the Watchtower". The belfry is high and used to serve as a watchtower. The "Torre del Oro" was built as a watchtower and defensive barrier on the river. An example of the nonmilitary watchtower in history is one of Jerusalem. Air is associated with the east, which is guarded by the First Watchtower. One curiosity is that the lifeguard watchtower of Posto Seis never existed. Copacabana begins at Princesa Isabel Avenue and ends at Posto Seis (lifeguard watchtower Six). The perimeter of the colony was made up of barbed wire, searchlights, and a watchtower.