Lin Xiqiang, deputy director general of the China Manned Space Agency, said that the "Tiangong" space station belongs to China, and it also belongs to the world. He made the remarks during an event hosted by the Mission of China to the African Union, the China Manned Space Agency, and the African Union Commission. On this event, taikonauts in the China Space Station - Chen Dong, Liu Yang and Cai Xuzhe shared their thoughts with African youths.