Carpenters pose for a group photo at Wudang District in Guiyang, capital of southwest China's Guizhou Province, Sept 8, 2015. Over 20 carpenters from France, Britain, Germany and Norway participated in a work camp with their Chinese counterparts on Tuesday to build a wooden house. The activity is organized to promote the protection of the old villages and ancient houses nearby. (Xinhua/Tao Liang)