Photo taken on Feb. 13, 2013 shows the sunset scene on the sea near Sanya City in south China's Hainan Province. (Xinhua/Hou Jiansen)

Photo taken on Feb. 13, 2013 shows the sunset scene on the sea near Sanya City in south China's Hainan Province. (Xinhua/Hou Jiansen)

Photo taken on Feb. 13, 2013 shows the sunset scene on the sea near Sanya City in south China's Hainan Province. (Xinhua/Hou Jiansen)

Photo taken on Feb. 13, 2013 shows the sunset scene on the sea near Sanya City in south China's Hainan Province. (Xinhua/Hou Jiansen)

Photo taken on Feb. 13, 2013 shows the sunset scene on the sea near Sanya City in south China's Hainan Province. (Xinhua/Hou Jiansen)

Photo taken on Feb. 13, 2013 shows the sunset scene on the sea near Sanya City in south China's Hainan Province. (Xinhua/Hou Jiansen)