Australian_Geographic_-_February_2016_

January. February 49

The horizontal lozenge shape of this chamber of the Old

Homestead Cave hints it was dissolved out of the rock

by sitting water. Caves elsewhere in the world are more

commonly cut by rivers, giving them a vertical profile.

Katie Keophilaphet, president of the Sydney
University Speleological Society – one of the
nation’s oldest, largest and most active caving
groups – explores the Nullarbor’s Stegamite Cave.