The Santiago de Chile metro is one of the most difficult systems in South America, due to its sophisticated surveillance and its guards’ perseverance in its safekeeping. But for many writers such as Aper, difficulties are but challenges to overcome in the obstacle-filled race of graffiti on metros. The most intrepid Canadian invites us on another new adventure of subterranean conquests, far away from home with friends as Tibak or Sorcek. There’s also some street graffiti to accompany and lend more variety to this video recorded in the Chilean capital.