A PHP Error was encountered

Severity: 8192

Message: Non-static method Tagstripper::usage() should not be called statically, assuming $this from incompatible context

Filename: tagstripper/pi.tagstripper.php

Line Number: 49

Wunder, die der Regen Grub (Sinkholes): Geo Magazine : Adventure : Hillary Hauser


Wunder, die der Regen Grub (Sinkholes): Geo Magazine

Geo Magazine

View Article 

South Australia is riddled with underground holes, flooded caves and tunnels, almost like Swiss cheese. With lights and safety lines, a group of divers explores these flooded caves and tunnels, in the middle of cow pastures, in forests, in between lanes of highway, and they float down an inland river to the Southern Ocean, learning a lesson in basic Earth formation.

Note: Some articles take time to download, thanks for your patience!