Photo taken on Sept. 19, 2008 shows the the Yellow River, China's second longest and popularly known as China's mother river, in northwest China's Qinghai Province, Sept. 19, 2008. The clear water and the sights on the riverbanks present an appealing autumn scenery in the recent days.(Xinhua Photo)

Flowers bloom on the bank of the Yellow River, China's second longest and popularly known as China's mother river, in northwest China's Qinghai Province, Sept. 19, 2008. The clear water and the sights on the riverbanks present an appealing autumn scenery in the recent days.(Xinhua Photo)