Picture of the Day 20/12/2020 - Exploration rover at human base on Mars by Polish artist Maciej Rebisz - concept art for Space Company Simulator - a management simulation game (2018) where your final goal is to launch the first manned mission to Mars. Maciej Rebisz is currently working as senior concept artist for game developer CD Projekt RED (The Witcher game series, Cyberpunk 2077); more of his art here.