People gather to watch the Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi Province, June 2, 2014. (Xinhua/Liu Xiao)
People gather to watch the Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi Province, June 2, 2014. (Xinhua/Liu Xiao)
People gather to watch the Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi Province, June 2, 2014. (Xinhua/Liu Xiao)
A woman pose for a photo near the Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi Province, June 2, 2014. (Xinhua/Liu Xiao)
People gather to watch the Hukou Waterfall of the Yellow River in Yichuan County, northwest China's Shaanxi Province, June 2, 2014. (Xinhua/Liu Xiao)