Umpherston Sinkhole (the Sunken Garden) at Mt Gambier, southeast South Australia
Size: 5300px × 3520px
Location: Mount Gambier, South Australia
Photo credit: © Philip Game / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: australia, australian, cave, gambier, garden, limestone, mt, sinkhole, south, sunken, umpherston