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