Astronauts Ye Guangfu, Li Cong and Li Guangsu are preparing for a 2nd spacewalk aboard the Tiangong space station. They've also been conducting and maintaining combustion experiments. <br /><br />Credit: Space.com | footage courtesy: China Central Television (CCTV) | edited by Steve Spaleta<br />Music: Timelapse by Phello / courtesy of Epidemic Sound
