Grottes de Choranche, Isère, France.
Palabras clave
cavern,
speleology,
cave,
subterranean,
famous,
landmark,
karst,
stalagmite,
scenic,
old,
attraction,
mineral,
geologic,
geologic,
illuminated,
france,
water,
underground,
stalactite,
rock,
nature,
tour tourism,
isere,
river,
cave,
vercors,
duck pond,
auvergne,
source,
lighting,
potholing,
limestone,
cave,
natural,
stalagmite,
background,
formation,
geology,
interior,
stone,
beauty