It's a huge wall painted by Hendrik Beikirch (DE) for the Rose Béton event in 2016. The portrait makes part of "Tracing Morocco" project with foundation Montresso. Hendrik Beikirch has produced 22 portraits of Moroccans in Marrakech. He painted these faces on the walls of many cities : New York Cities, Oslo, Rome, Toulouse, ... The wall is located near the underground station called Empalot in Toulouse.
More information: http://hendrikbeikirch.com/