Habana Vieja, Old Havana
Canons in the Castillo de la Real Fuerza, one of the oldest existing forts in the Americas, built between 1558 and 1577, now housing the interesting Museo de Navegación. Across the water is the 18th century fort Castillo de San Carlos de la Cabaña.
Photo by Ludo Kuipers, Sat Feb 20, 2016