FILE PHOTO: Engineers test Satellite TY3-12, which weighs 10 kilograms, at a lab of Spacety in Changsha, Hunan province, China, April 22, 2019. REUTERS/Aly Song
FILE PHOTO: Engineers test Satellite TY3-12, which weighs 10 kilograms, at a lab of Spacety in Changsha, Hunan province, China, April 22, 2019. REUTERS/Aly Song