A) Krubera Cave B) Veryovkina Cave C) Morca Cave D) Mount Elbrus Cave
A) Georgia B) Russia C) France D) Ukraine
A) 2,300 meters B) 2,050 meters C) 1,980 meters D) 2,212 meters
A) Son Doong Cave B) Waitomo Cave C) Luray Caverns D) Mammoth Cave
A) Limestone B) Sea Cave C) Ice D) Volcanic
A) Meteorological phenomena B) Astronomical data C) Botanical diversity D) Geological history
A) Abkhazia, Georgia B) Bulgarian Mountains C) Russia D) Armenia
A) It has its own ecosystem. B) It has many stalactites. C) It is completely dark. D) It contains a lake.
A) Phong Nha Cave B) Hang En Cave C) Ailao Mountain Cave D) Son Doong Cave |