Adventure exploration expedition of Veryovkina, the deepest-known cave on earth, Abkhazia
Keywords
light,
illumination,
cave,
underground,
caving,
explorer,
abkhazia,
horizontal,
extreme,
recreation,
silhouette,
risky,
active,
explore,
rugged,
exploration,
adventure,
discovery,
formation,
passage,
scientist,
tunnel,
climbing,
excursion,
shaft,
assignment,
expedition,
russia,
limestone,
two people,
dark,
people,
travel,
landscape,
color image,
researcher,
earth science,
caucasia,
abseiling,
arabica