An example of cave "coral" in "Hell's grotto"
Switzerland’s mountains may be top of most travellers’ lists, but its caves are also worth exploring. And their cool climates offer relief from the summer heat.
Read the whole story here:
July 11, 2009 by Susan Misicka
An example of cave "coral" in "Hell's grotto"
Switzerland’s mountains may be top of most travellers’ lists, but its caves are also worth exploring. And their cool climates offer relief from the summer heat.
Read the whole story here:
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