Tourists visit Ap Chau Island for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]

A tour boat heads for Ap Chau Island for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]

Tourists visit Ap Chau Island for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]

Tourists visit Ap Chau Island for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]

Tourists visit Lai Chi Wo Peninsula for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]

Tourists visit Lai Chi Wo Peninsula for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]

A tour boat heads for Ap Chau Island for a weekend vacation in south China's Hong Kong, March 24, 2013. [Xinhua/Chen Xiaowei]