Laoniu Bay, one of the 10 most beautiful canyons in China, is located at the junction of northern China's Shanxi province and Inner Mongolia Autonomous Region. The south bank of the bay is in Pianguan county of Shanxi province, while the north bank is within Qingshuihe county, Inner Mongolia Autonomous Region. The Great Wall and the Yellow River meet at Laoniu Bay and the Great Wall stretches more than 70 kilometers along the Yellow River. (Photo/people.cn)