The spiral sightseeing platform under construction is seen at the Meixi Lake in Changsha, capital of central China's Hunan Province, Nov. 11, 2016. Made from 7,000 tonnes of steel, the spiral sightseeing platform is 35 meters high with a diameter of 86 meters. The construction of this sightseeing platform is expected to be completed at the end of this year. (Xinhua/Long Hongtao)
