Aerial view of Hohhot in China's Inner Mongolia

Photo taken on July 31, 2017 shows the round-city water system in Yuquan District of Hohhot, capital of north China's Inner Mongolia Autonomous Region. This group of photos taken by drones shows landmarks of the city, reflecting the development of the city in recent years. This year marks the 70th anniversary of the founding of the Inner Mongolia Autonomous Region. In local language, Hohhot means the "Blue City". It is the political, economic and cultural center of the region. (Xinhua/Ren Junchuan)