Zhang Shengwu navigates his homemade submarine on a river in Hanshan, east China's Anhui Province, April 27, 2016. [Photo/IC] |
Zhang suddenly came up with the idea of building a homemade submarine in 2014, although that was dismissed by his wife as, "too hard, dangerous and costly." But Zhang decided not to give up and finally he managed to create a submarine for 5,000 yuan ($770) in two months.