I am guessing it is located in Chengdu, where they already have at least 8 wind tunnels. (Paul, worse than your neighbourhood...) On the other hand, there was an article in a chinese newspaper today, which says that the entertainment vwt in Mianyang has a flying area diameter of 3.6 meters and wind speed of 50 m/s. 3.6 meters equals 12 feet, so the numbers in the china.org.cn article would make sens