Colombian astronaut Diego Urbina tests the Gandolfi 2 spacesuit next to “Yemo” robot during the Moonwalk project's first Mars mission simulation in the southwestern Spanish town of Minas de Riotinto, Huelva province, on April 22, 2016. The goal of project MOONWALK is to develop and test technologies and training procedures for future human missions to Moon and Mars. (Photo by Jorge Guerrero/AFP Photo)
