Tourists experience the pleasure of playing Mahjong in the water in Chongqing, southwest China, July 8, 2014. Water Park in Meixinyangren street recently launched entertainments of playing Mahjong in the water for tourists to spend summer holiday. (Xinhua/Chen Cheng)

Tourists play Mahjong and have water fights in the water in Chongqing, southwest China, July 8, 2014. Water Park in Meixinyangren street recently launched entertainments of playing Mahjong in the water for tourists to spend summer holiday. (Xinhua/Chen cheng)

Tourists experience the pleasure of playing Mahjong in the water in Chongqing, southwest China, July 8, 2014. Water Park in Meixinyangren street recently launched entertainments of playing Mahjong in the water for tourists to spend summer holiday. (Xinhua/Chen cheng)

Tourists experience the pleasure of playing Mahjong in the water in Chongqing, southwest China, July 8, 2014. Water Park in Meixinyangren street recently launched entertainments of playing Mahjong in the water for tourists to spend summer holiday. (Xinhua/Chen cheng)

Tourists experience the pleasure of playing Mahjong in the water in Chongqing, southwest China, July 8, 2014. Water Park in Meixinyangren street recently launched entertainments of playing Mahjong in the water for tourists to spend summer holiday. (Xinhua/Chen cheng)