Tan Yong smiles in his home-made submarine at a lake in Dangjiangkou, Hubei province, Oct 24, 2014. Tan, a 44-year-old farmer, spent five months building the submarine, which weighed more than 1,000 kilograms, and successfully dived it to a depth of around 10 metres. He told thepaper.cn that it is totally dark there, and he could see nothing in the dark. [Photo/thepaper.cn] |