Mongolian ethnic children hold hada, a piece of silk cloth used to pay tribute or to greet guests, to celebrate autumn harvest season in Xiliinhot (Xilinhot), Xiliin (Xilin) Gol League, Inner Mongolia autonomous region on Sept 22, 2018. Xiliinhot held a Nadam fair to celebrate the harvest in farming and livestock, with traditional Mongolian ethnic activities including Bohk, archery and horse racing. [Photo/Xinhua]