Morro Fortress (San Juan, Puerto Rico) A fortress built at the entrance of the Bay of San Juan de Puerto Rico. Its design was projected before 1539 and its construction finished in 1540, although during the next two centuries it underwent numerous alterations, until it was configured as a polygonal structure construction. In its original conception, the medieval techniques that pursued the best use of the land coexisted with the new concepts aimed at a bulwarked fortification that integrated a great quantity of buildings. The Morro fortress; a name by which two fortifications built during the 16th century by the Spaniards in America are known. El Yunque, Puerto Rico’s forest reserve, located in the island’s northeastern end, on the Luquillo mountain, one of whose summits are, in fact, El Yunque (1,065 m high). It is part of the so-called Caribbean tropical forest and one of the richest areas in endemic fauna and flora.
