Architecture (7)

Cabinet War Rooms Sign Signage to the Cabinet War Rooms; a historic underground complex that housed a British government command centre throughout the Second World War.

Construction of the Cabinet War Rooms, located beneath the Treasury building in the Whitehall area of Westminster, began in 1938. They became operational in August 1939. They remained in operation throughout the Second World War, before being abandoned in 1945 after the surrender of Japan.

Castillo San Felipe De Barajas The Castillo San Felipe de Barajas is a fortress in Cartagena, Colombia. It was built by the Spanish in the colonial era and was originally known as The Castillo de San Lázaro and has a system of underground tunnels.

The Colombian Fortress The Castillo San Felipe de Barajas is a fortress in Cartagena, Colombia. It was built by the Spanish in the colonial era and was originally known as The Castillo de San Lázaro and has a system of underground tunnels.

Oriental Pearl TV Tower Close up of the Oriental Pearl TV Tower in Shanghai.

Fort Delaware Wide shot of Fort Delaware on Pea Patch Island.

Fort Delaware Long shot of Fort Delaware on Pea Patch Island.

Fort Delaware Long shot and moat of Fort Delaware on Pea Patch Island.