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It looks like the end of the world - but this bubbling red fire is actually a lava lake.
The molten lava churns in on itself as fresh magma from below the Earth's crust arrives at the surface, before cooling and forming black crusts, which explode in flames.
The incredible lava lake, at Mount Nyirangogo, an active volcano in Virunga National Park in the Democratic Republic of Congo, was caught on camera by photographer Scott Ramsay during a hiking trip with pals.