Pupils fly paper planes during a live broadcast of a lecture given by Shenzhou-10 spacecraft astronauts (on screen from L to R, Zhang Xiaoguang, Wang Yaping and Nie Haisheng) on the Tiangong-1 space module, at a primary school in Hengyang, Hunan province June 20, 2013. Chinese astronauts of Shenzhou-10 spacecraft gave a lecture on Thursday morning from the Tiangong-1 space module, some 340 km (211 miles) above the earth which was the first such attempt by China. According to Xinhua News Agency, more than 60 million students and teachers watched the live broadcast on television across the country. REUTERS/China Daily (CHINA – Tags: EDUCATION SOCIETY SCIENCE TECHNOLOGY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA – RTX10UGM
