Shenzhen is rich in its native produce, such as "three yellow chickens" from Longgang, litchi from Nantou, peach from Nanshan, pear from Shiyan, mandarin orange from Jinggui, square persimmons from Longhua. Wildlife in the list of state protection is tiger-striped frogs, boas, rhesus monkeys, zibets, leopards, and pangolins. Shenzhen has 230 kilometers long coastline with a wealth of aquatics, of which oyster from Shajing is a special native produce. A system of tourist attractions characterized by distinctively local and natural and cultural touches has taken shape in Shenzhen. There are 50 attraction sites inluding, among others, such as the offshore field in the west, the sarafi park, Overseas Chinese Town Holiday Resort and Golf Club at Guanlanhu (the two Grade AAAA attractions), Aircraft Carrier Minsks.