In modern cities, we're constantly surveilled through CCTV cameras in both public and private spaces, and by companies trying to sell us shit based on everything we do. We are always being watched. But what if a simple T-shirt could make you invisible to commercial AIs trying to spot humans?

This small lake outside Stockholm, Sweden, emits otherworldly sounds as Mårten Ajne skates over its precariously thin, black ice. "Wild ice skating," or "Nordic skating," is both an art and a science. A skater seeks out the thinnest, most pristine black ice possible-both for its smoothness, and for its high-pitched, laser-like sounds.