Photo taken on Nov. 26, 2016 shows a satellite-to-earth link established between quantum satellite "Micius" and the quantum communication ground station in Xinglong, north China's Hebei Province. The world's first quantum satellite "Micius" was put into use on Wednesday after four-month on-orbit tests. China launched the satellite on Aug. 16, 2016. It is nicknamed "Micius," after a fifth century B.C. Chinese philosopher and scientist. (Xinhua/Jin Liwang)
