AUSTRALIA-ASTRONAUTICAL-CONGRESS

A space rocket engine is displayed during the 68th International Astronautical Congress 2017 in Adelaide on September 28, 2017. The 68th International Astronautical Congress 2017 runs from September 25 to 29 and is the world's largest space conference bringing together leaders in space from across the globe ñ heads of major space agencies, astronauts, senior space engineers and policy makers. / AFP PHOTO / PETER PARKS

May 10, 2018 5:56 PM (UTC+8)