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Zhang Wuyi sits in his newly made multi-seater submarine at his new workshop near an artificial pool in Wuhan, Hubei province, November 14, 2012. Zhang, a 37-year-old local farmer, who is interested in scientific inventions, has independently made seven miniature submarines with several fellow engineers, one of which was sold to a businessman in Dalian at a price of 100,000 yuan ($15,855) last October. The submarines, mainly designed for harvesting aquatic products, such as sea cucumber, have a diving depth of 20-30 metres (66-98 feet), and can travel for 10 hours, local media reported. (Photo by Reuters/Stringer)
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