Photo taken on March 25, 2015 shows the spring flood of Hukou Waterfall of the Yellow River in Linfen, north China's Shanxi province. Warmer temperature and melting ice in upper reaches lead to the annual spring flood (also known as the "peach blossom flood") of Hukou Waterfall, which becomes a splendid scenery for sightseeing. Photo: Xinhua

Photo taken on March 25, 2015 shows the spring flood of Hukou Waterfall of the Yellow River in Linfen, north China's Shanxi province. Warmer temperature and melting ice in upper reaches lead to the annual spring flood (also known as the "peach blossom flood") of Hukou Waterfall, which becomes a splendid scenery for sightseeing. Photo: Xinhua

Photo taken on March 25, 2015 shows the spring flood of Hukou Waterfall of the Yellow River in Linfen, north China's Shanxi province. Warmer temperature and melting ice in upper reaches lead to the annual spring flood (also known as the "peach blossom flood") of Hukou Waterfall, which becomes a splendid scenery for sightseeing. Photo: Xinhua

 Photo taken on March 25, 2015 shows the spring flood of Hukou Waterfall of the Yellow River in Linfen, north China's Shanxi province. Warmer temperature and melting ice in upper reaches lead to the annual spring flood (also known as the "peach blossom flood") of Hukou Waterfall, which becomes a splendid scenery for sightseeing. Photo: Xinhua