Photo taken on March 27, 2014 shows transformer models assembled by Liu Xianhui's team in Shengjing Town of Zhangqiu City, east China's Shandong Province. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

Photo taken on March 27, 2014 shows transformer models assembled by Liu Xianhui's team in Shengjing Town of Zhangqiu City, east China's Shandong Province. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

A worker prepares a part for assembling a transformer at a workshop in Shengjing Town of Zhangqiu City, east China's Shandong Province, March 27, 2014. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

A worker assembles a transformer at a workshop in Shengjing Town of Zhangqiu City, east China's Shandong Province, March 27, 2014. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

Photo taken on March 27, 2014 shows transformer models assembled by Liu Xianhui's team in Shengjing Town of Zhangqiu City, east China's Shandong Province. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

Liu Xianhui discusses with team members the details of robot assembling at a workshop in Shengjing Town of Zhangqiu City, east China's Shandong Province, March 27, 2014. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

Photo taken on March 27, 2014 shows transformer models assembled by Liu Xianhui's team in Shengjing Town of Zhangqiu City, east China's Shandong Province. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

Photo taken on March 27, 2014 shows transformer models assembled by Liu Xianhui's team in Shengjing Town of Zhangqiu City, east China's Shandong Province. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)

Workers prepare parts for assembling a transformer at a workshop in Shengjing Town of Zhangqiu City, east China's Shandong Province, March 27, 2014. Liu Xianhui, a farmer in Zhangqiu City, has organized a team 11 farmers to assemble robot modelled after the roles of "Transformers" by using materials of used cars. (Xinhua/Guo Xulei)