Photo 1：Shipwrights work at Hongshuangmu shipyard in Qingdao, east China's Shandong Province, Jan. 10, 2019. Hongshuangmu is one of the few remaining traditional hand-built shipyard in adjacent area. (Xinhua/Li Ziheng)

Photo 2：Shipwrights work at Hongshuangmu shipyard in Qingdao, east China's Shandong Province, Jan. 10, 2019. Hongshuangmu is one of the few remaining traditional hand-built shipyard in adjacent area. (Xinhua/Li Ziheng)

Photo 3：A shipwright works at Hongshuangmu shipyard in Qingdao, east China's Shandong Province, Jan. 10, 2019. Hongshuangmu is one of the few remaining traditional hand-built shipyard in adjacent area. (Xinhua/Li Ziheng)