摘要
DQWN TO EARTH China＇s Shenzhou-9 astronauts Jing Haipeng （third right back）, Liu Wang （second right back） and Liu Yang （third left back）, who successfully executed the country＇s first manned space decking mission in June, speak to a group of Hong Kong middle school students who recently finished a young astronaut training camp on the mainland at the Hong Kong Convention and Exhibition Center on August 11
