Zhang Shengwu, a 51yo farmer, received a Chinese government patent for a submarine he designed and built himself for around 5,000 Yuan (€670 / $760). <br /><br />Despite the small size of the submarine, which barely has enough room for one person, measuring six metres long and 60 cm wide, Zhang Shengwu received a patent certificate from the State Intellectual Property Office. The home-made vessel can only travel up to seven nautical miles per hour and dive to a depth of one metre.<br /><br />COURTESY: RT's RUPTLY video agency, NO RE-UPLOAD, NO REUSE - FOR LICENSING, PLEASE, CONTACT http://ruptly.tv<br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.
