Yu Zhengsheng, chairman of the National Committee of the Chinese People's Political Consultative Conference, visits a demonstration field of green organic rice, in Ulanhot of Xing'an League, north China's Inner Mongolia Autonomous Region, Aug. 11, 2017. A central delegation headed by Yu Zhengsheng spread across Inner Mongolia Autonomous Region on Friday to visit residents in the northern border region, which is marking its 70th anniversary. Heading one group of the delegation, Yu visited Xing'an League. (Xinhua/Zhang Ling)