These six pictures document a curious and potentially tragic event in Arnhem, the Netherlands. It’s a short, amateur photo reportage of a woman standing on the side of a roof, planning to jump. Passersby have gathered below to watch what will unfold and perhaps dissuade her from jumping. If you look closely, you’ll see a police officer talking  up to her, then a fire engine with a ladder appears (behind a man’s head). And a couple pictures on, the police are knocking at the door. What happened next is unclear, although it feels as though she was brought to safety…