Under the Guanri Rock, southeast of Wuzhizhou Island, a day of formation of boulders like a huge turtle, head, A, etc. are clearly visible, especially commendable, in front of the left of the whole boulder, there is a strip of long rocks that exposes the sea surface, when the sea hits, like a turtle paddling with his feet. Dynamic lifelike, as if a huge turtle expected to return to his hometown, is slowly crawling toward the sea, so called "gold turtle exploration of the sea".