ISPWICH, Austrailia (WPVI) -- An Australian couple got this backyard pool they never asked for.
A large circular sinkhole appeared yesterday, and continued.
Swallowing up the property as news cameras recorded.
Neighbors woke up Lynn and Ray McKay to alert them of a small hole in their Queensland backyard.
It eventually grew to about 26 feet.
Authorities think the sinkhole is due to an old mine tunnel collapsing.