On April 1 2011，the 27th Chinese Antarctic expedition team successfully return to the domestic base for polar expedition of Shanghai port by the "Snow Dragon" polar exploration ship。

Wen haikun(engineer of NIAOT)and Wei haikun(professor of Southeast University) returned back with the "Snow Dragon" after completing task of astronomical expedition。

Professor Yuan xiangyan (leader of Antarctic Telescope Project)、professor Shang caohui(deputy director of center for Antarctic Astronomy and leaders of Southeast University attended the arrival ceremony for "Snow Dragon"。