Tourists travel by boats at the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)

Tourists take photos at the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)

Tourists travel by boats at the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)

Tourists take photos at the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)

Tourists visit the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)

Tourists visit the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)

Tourists travel by boats at the Fenghuang ancient town, in Xiangxi Tujia-Miao Autonomous Prefecture of central China's Hunan Province, April 22, 2014. (Xinhua/Long Hongtao)