Footage, from China, of 16 passengers on a rollercoaster trapped 70-metres up after the ride broke down. <br /><br />In the footage, filmed in Nanchang, Jiangxi Province on Monday, the rollercoaster suddenly comes to a stop on the track, leaving the passengers stuck there for at least 20 minutes. <br /><br />According to local reports, staff helped passengers open their safety belts and guided them back to the ground one by one.<br /><br />Fortunately, no one was injured.