This piece captures the beauty of the castle, a World Heritage Site, surrounded by the cherry blossoms. This castle was the home of the Hokuzan's King , who ruled northern Okinawa. The interesting fact about the stones used to create this castle is that they were formed in primeval times and housed many fossils. The construction of the walls was also built with the oldest known construction technique. This technique used the natural form of the rocks to piece them together.