Breathtaking footage has emerged from an amusement park in China’s Hebei province showing passengers on a roller coaster stuck upside down on the structure due to a power outage.

The roller coaster appears to be moving towards the top, when it suddenly stops causing disturbance and panic to the passengers who were inside at the time and had climbed up to have fun. However, the fun turned into a nightmare after passengers were forced to stay upside down inside the train for about 30 minutes on June 6.

Experts attribute the power outage to grid overload due to heat.

China, according to the national meteorological service, is experiencing the longest period of high temperatures since 1961. In Jiangsu, in the eastern part of the country, it is so hot that the temperature of the road surface reaches 68 degrees Celsius in certain places. In fact, local authorities have warned drivers about the risk of vehicle tires bursting.