five-sided
The Pentagon
The Pentagon — the name alone conjures up an imposing image of American power. Completed in 1943, this five-sided nerve center for the nation’s armed services is the largest office building in the world — [...]
The Pentagon — the name alone conjures up an imposing image of American power. Completed in 1943, this five-sided nerve center for the nation’s armed services is the largest office building in the world — [...]