close-up view of a sixteenth century portuguese cannon made of metal with portuguese emblem. the cannon is located on a bastion of

ancient artillery asia big biggun black bombard cannon carronade century closeup colonial culverin design details diu diufort emblem embossed equipments era falconet firearms fort fortaleza fortalezadediu fortalezadesapound gun heritage howitzer india iron long longtom metal mortar mounted mountedgun nopeople object old ordnance otomacopy portuguese round sapound sixteenth sixteenthcentury steel symbol territory tom tomacopy tourism travel union unionterritory vintage weapon