A carpenter makes a wooden part of a bridge in Danzhai County, southwest China's Guizhou Province, July 11, 2018. Villagers here repaired their houses and bridges during the slack farming season in summer. (Xinhua/Huang Xiaohai)

A carpenter installs closed cornices of a bridge in Danzhai County, southwest China's Guizhou Province, July 11, 2018. Villagers here repaired their houses and bridges during the slack farming season in summer. (Xinhua/Huang Xiaohai)

A carpenter repairs the wooden pillars of a bridge in Danzhai County, southwest China's Guizhou Province, July 11, 2018. Villagers here repaired their houses and bridges during the slack farming season in summer. (Xinhua/Huang Xiaohai)

A carpenter repairs the wooden pillars of a bridge in Danzhai County, southwest China's Guizhou Province, July 11, 2018. Villagers here repaired their houses and bridges during the slack farming season in summer. (Xinhua/Huang Xiaohai)