Aerial photo taken on May 22, 2019 shows the Jinjiang grand bridge on the Tongren-Huaihua highway in southwest China's Guizhou Province. The construction of 33.778-kilometer-long Guizhou section of Tongren-Huaihua highway was completed on Tuesday. (Xinhua/Tao Liang)

　　Aerial photo taken on May 22, 2019 shows the Guizhou section of Tongren-Huaihua highway. The construction of 33.778-kilometer-long Guizhou section of Tongren-Huaihua highway was completed on Tuesday. (Xinhua/Tao Liang)

　　Aerial photo taken on May 22, 2019 shows the Guizhou section of Tongren-Huaihua highway. The construction of 33.778-kilometer-long Guizhou section of Tongren-Huaihua highway was completed on Tuesday. (Xinhua/Tao Liang)

　　Aerial photo taken on May 22, 2019 shows the Guizhou section of Tongren-Huaihua highway. The construction of 33.778-kilometer-long Guizhou section of Tongren-Huaihua highway was completed on Tuesday. (Xinhua/Tao Liang)