On July 21, the wire man is at work. (Photo from Xinhua)

During this summer, the northeast region successively witnessed heavy rainfalls and high-temperatures.

Huang Yasong, 34, is a lineman of Changchun section in Shenyang Railway Bureau. He had to check the railroad inch by inch in heavy work coat under scorching sun to ensure the transportation safety in summer. Huang Yasong would pour some water in his helmet if he failed to stand the hot weather.