2nd October 2014
Free camping tonight and even though we are 26 kms from the Madura roadhouse we are getting internet reception.
Very long drive today, but it means about a 3rd of the crossing is done. Tomorrow we will only drive to Eucla on the WA border so we have time to explore the old telegraph station.
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| Caiguna blowhole |
The journey was tedious. We stopped at the Caiguna blowhole to make lunch. The Nullarbor plain is a limestone plateau honeycombed with caves beneath. Where the cave system has sink holes to the surface the cave 'breathes'. Depending on the atmospheric pressure the air is sucked in or blown out through the sinkhole. Today the cave was blowing out. The air temperature was 28 degrees but the air blowing out was about 10 degrees cooler and surprisingly noisy.
The entire Nullarbor plain is reputed to have a population of 86, now we know where 8 of them live. Cocklebiddy is a roadhouse smack in the middle of the WA side.
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