Prosaic and hard-working as Loo Choo seems today, its history is a romantic record of wars and intrigues, and the island of Okinawa is dotted with the remains of castles once occupied by its petty chieftains. This is one of the best preserved of these strongholds. It dates from the middle of the 15th century. Its walls are built with large stones laid together without any kind of cement or mortar. Standing in a commanding position it must, in ancient times, have presented a formidable defense.