United States - In a September 2007 file photo, a diver swims above bleached coral reefs in the waters off Taketomi Island in Okinawa Prefecture....珊瑚白化, 沖繩縣, 美國
man snorkelling, taketomi island, yaeyama island group, okinawa prefecture, japan - 竹富島 個照片及圖片檔沖繩縣, 夏天, 旅遊業