A large hole formed when a roof of a cave collapses.
It is called a cave in.
It is called weathering.
It is called weathering.
A sinkhole.
Shakehole or Sinkhole - when the collapse extends to the surface. (Not all cave roof collapses disturb the surface above.)
When rock above a cave collapses, a sinkhole is formed.
Sinkhole
A sinkhole is formed when the roof of a cave collapses.
It is a sink hole if it reaches the surface.
A large hole formed when a roof of a cave collapses.
This is called a sinkhole.
A large hole formed when a roof of a cave collapses.
It is called a cave in.
You run for your life ;)
It is called weathering.
It is called weathering.