Lava tubes

natural conduits through which lava travels beneath the surface of a lava flow

Contents

FranceEdit

RéunionEdit

IcelandEdit

ItalyEdit

KoreaEdit

PortugalEdit

AzoresEdit

United States of AmericaEdit

CaliforniaEdit

HawaiiEdit

IdahoEdit

WyomingEdit

unlocated picturesEdit

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