If you want to see the area or investigate the caves, do take a guide and go well prepared.
You should hire a guide if you plan on exploring the caves.
Exploring the caves is not so dangerous.
Ten  years later, he cried.
Rococo porcelain from Vienna and Berlin can be seen there.
The truck is being unloaded.
A man stood over Sergeant Muller, who was lying on the floor.
There's not a lot of fun to be had this way.
the man is asleep on the bridge