How rides can get stuck upside down

28 People Trapped Upside Down on Amusement Park Ride AtmosFEAR Rescued by Fire Department in Oregon More than two dozen people are recovering after a theme park ride in Oregon left them hanging upside down for more than 20 minutes. On Friday, June 14, 28 passengers were riding Portland's Oaks Amusement Park's AtmosFEAR at around 2:55 p.m. when the ride stopped in its place, suspending them all upside down in its "apex position," the park said