Shan Jie/Global Times

(File) This picture taken on April 6, 2015, taking in Nansan township in Lincang, southwest China's Yunnan province, shows a China national flag being placed on the border line between China (bottom) and the old street of Kokang (top). Photo: AFP
This photo taken on March 10, 2017 shows damage to a vehicle and hotel in Lauk kai, along the China-Myanmar border in the northern Shan State of Myanmar. Photo: AFP