Yang Longfei, an amateur hang glider from Hebei province, soars across the Xiang River in Changsha, central China's Hunan province, May 1, 2013. After successfully covering a distance of 1,500 meters, Yang became the first person in the world to complete an unpowered flight within a city
2013年5月1日，来自河北的悬挂式滑翔机业余爱好者杨龙飞飞跃了湖南长沙湘江。成功航行1500米后，杨成为世上完成市内无动力飞行的第一人。
