ZHENGZHOU, CHINA - NOVEMBER 12:  (CHINA OUT) South-to-North water diversion Zhengzhou part is seen on November 12, 2014 in Zhengzhou, Henan province of China. South-to-North water diversion Zhengzhou part with 6-meter water storage tested its water supply on November 12 in Zhengzhou.  (Photo by VCG/VCG via Getty Images)