Tourists walk on Luding Bridge in SW China's Sichuan (6)

CHENGDU, Aug. 8, 2016 (Xinhua) -- Photo taken on May 28, 2016 shows the Luding section of the Daduhe River in southwest China's Sichuan Province. Daduhe River is famous for a strategic iron-chain bridge where the Chinese Red Army men won a fierce battle in the Long March of the Red Army. (Xinhua/Jiang Hongjing)