A source said witnesses told police investigators that Wang was about to reach a spot on the ride where two male staff stood ready to take hold of her, but they allegedly made a mistake and the woman fell to the ground.
The aerial adventure has 32 treetop stations. Customers swing, abseil, bicycle, skateboard, held by slings attached to their bodies, from one tree platform to the next, the longest ride being 600 metres between stations. This thrill ride is popular with tourists.
About 14 tourist venues provide a similar adventure activity in the northern province.