Photo taken on March 17, 2008 shows Yellow River's Hukou Waterfall in northwest China's Shaanxi Province. The fall, located in Shaan-Jin Grand Canyon, resumed majestic as the upriver ice melted. (Xinhua Photo)

Photo taken on March 17, 2008 shows Yellow River's Hukou Waterfall in northwest China's Shaanxi Province. The fall, located in Shaan-Jin Grand Canyon, resumed majestic as the upriver ice melted. (Xinhua Photo) Photo taken on March 17, 2008 shows Yellow River's Hukou Waterfall in northwest China's Shaanxi Province. The fall, located in Shaan-Jin Grand Canyon, resumed majestic as the upriver ice melted. (Xinhua Photo) Tourists look at Yellow River's Hukou Waterfall in northwest China's Shaanxi Province, March 17, 2008. (Xinhua Photo)