Morro Castle (Castillo de los Tres Reyes Magos del Morro) and the Canal de Entrada (harbour entrance channel) at Havana, Cuba. The photographer is looking south-east from the Morro Castle lighthouse showing a battery of eight muzzle loading cannons on pivot mountings in the foreground. The Forteleza de San Carlos de la Cabana is on the left and a number of schooners are moored in the harbour.