NASA astronauts Peggy Whitson (left) and Shane Kimbrough (right) work on the outside of the International Space Station during a spacewalk on 30 March 2017.
ESA astronaut Thomas Pesquet, who supported the spacewalk from inside the Station, posted this image on social media commenting: "Sometimes when we’re on the dark side of the Earth, EVA feels like scuba diving at night".
Connect with Thomas on social media: http://thomaspesquet.esa.int