famous cave "cuevas del drach" (dragon cave)

cave formation quail caving stalagmite geology stalactite wadi tunnel rock canyon terrain ice darkness trunk person painting temple mallorca dragon caves mountain majorka national surface background cala beach landscape geology cuevas drach mineral speleology attraction palma underground sea porto tourist vacation baleares dragon stone water island nature cave europe rock spain majorca travel balearic stalactite grotto blue mediterranean touristic rainwater stalagmite aged old historic spanish mallorca subterranean rocky holiday