Expedition 47 Flight Engineer Tim Kopra of NASA posted this May 15, 2016 photograph to social media, writing, “Water etchings in western @Mexico sands. @Space_Station #Explore”
Expedition 47 Flight Engineer Tim Kopra of NASA posted this May 15, 2016 photograph to social media, writing, “Water etchings in western @Mexico sands. @Space_Station #Explore”