Bioluminescent Organism: Cypridina Hilgendorfii (It Emit luminous blue substance if disturbed. Found in coastal water & sand in Japan. The Japanese harvested these creature for soldiers to use while reading map & message at night).
On Russia’s Kamchatka Peninsula, fire and ice meet to form an otherworldly underground. Located on a slope of the peninsula’s Mutnovsky volcano, the cave’s stream is fed by volcanic hot springs. Sunlight filters through thinning glacial ice above.