sink hole

[Cave_Troll]

Report of a sinkhole opening under someone's bed
http://www.bbc.co.uk/news/world-latin-america-14252489

Look at this video 0:08,

That to me looks like someone's bedroom floor with a hole in it. then about 7 layers of brick in a circular pattern then substrate ie an old well ???

 

[graham]

I agree. That's a well.

 

[Laurie]

I've never seen a brick lined sink hole