How Everything Works on Instagram: "In Jackie Chan’s 1985 classic *Police Story*, he pulled off what’s widely regarded as one of the most dangerous stunts ever filmed — sliding down a towering pole strung with live electrical lights inside a shopping mall atrium. As he descended nearly five stories, the heat from the bulbs seared his hands, and electrical shocks coursed through his body before he smashed through a sheet of glass and crashed onto a metal kiosk below. Chan was left with severe bur