An accident happens in Kentucky, USA. A sinkhole opens in a museum. Eight rare cars fall down. Everything is filmed by a security camera.
Nobody gets hurt. The sinkhole is 12 metres wide and 9 metres deep.
The part of the museum is closed. People cannot go there. Experts are trying to understand the accident.
Difficult words: sinkhole (hole inside the ground that sometimes opens up to the top of the ground), rare (special), hurt (problems with the body).
