If you thought an astronaut’s challenge ended with going into space and returning to earth, a NASA astronaut is here to prove you wrong. Drew Feustel posted a video of himself trying to acclimatise to walking on solid ground on earth, heel to toe, after spending a long time floating inside the International Space Station.

The video was posted after some of his colleagues on the Soyuz MS-09 came back to earth on Thursday. In the caption, Feustel said the footage was from a field test on October 5, when he had returned after 197 days in space.