Mahmoud El-Komy, a 27-year-old Egyptian mechatronics engineer, stands beside ELU, a remote-controlled robot that can extract water from the air, in Borg Al Arab desert, Alexandria, Egypt September 1, 2021. El-Komy says the robot is able to condense moisture from humidity and would have the ability to work in environments that are more difficult than Earth's, such as during space flights or even on Mars. Picture taken September 1, 2021. REUTERS/Mohamed Abd El Ghany