January 21, 2011 - Lava rafts floating on lava lake in summit caldera, Nyiragongo Volcano, Democratic Republic of the Congo.

democratic republic of the congo goma mount nyiragongo nyiragongo bright burning caldera color image cracked danger earth science eruption fracture gas geology geoscience glow heat horizontal hot land feature landform lava lava lakes liquid magma melting molten natural disasters night no people outdoors photography physical geography pit crater power in nature red smoke volcanic volcanic activity volcanic craters volcano