Portrait of a woman biologist in a protective mask and a white dressing gown exploring an underground cave where water flows through the cracks in the rock.
Biologists in protective costumes explore the underground cave.
Scientists watch as water in underground caves is leaked through cracks in stones. Investigation of catastrophic natural phenomena.
Biologist taking leaf sample putting into microscope
Flame of Methane Underground Emerges From Crack Between Rocks and Burns to Earth
Flame of Methane Underground Emerges From Crack Between Rocks and Burns to Earth
Flame of burning methane underground emerges from crack between rocks and burns
Flame of Methane Underground Emerges From Crack Between Rocks and Burns to Earth
Flame of burning methane underground emerges from crack between rocks and burns
Flame of burning methane underground emerges from crack between rocks and burns
Flame of Methane Underground Emerges From Crack Between Rocks and Burns to Earth
Flame of Methane Underground Emerges From Crack Between Rocks and Burns to Earth