Tuesday, June 12, 2012

Lawn blister

I'm not sure what's occurring here.


YouTube link.

2 comments:

Anonymous said...

Most likely a ruptured water main has formed a type of loose quicksand under the turf.

Gareth said...

If it was just water under turf it would leak out, particularly when the guy jumped on it. There must be some sort of membrane under the turf for some reason.