A 3D animation of China's Tiangong-1 space module is shown in this still image taken from video released September 28, 2011. China re-affirmed its goal of building a full-fledged space station by 2020 on June 24, 2012, following a successful manual docking between a manned spacecraft and an experimental orbiting lab module. REUTERS/Jiuquan Satellite Launch Centre/Handout/Files (CHINA - Tags: SCIENCE TECHNOLOGY SOCIETY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS Published: Čer. 24, 2012, 11 dop. | Foto: Reuters