Lava flowing down mountain, Eyjafjallajokull volcano, Iceland, Polar Regions

color image photography outdoors horizontal no people nobody nature eruption flow flowing volcanoes rugged mountainous spectacular danger lava night natural volcanic glowing fire natural disaster landscape terrain snow smoke contrast illuminated glow glowing vulcanology power in nature emergencies and disasters ash hot crater smoking eyjafjallajokull volcano eyjafjallajokull volcano iceland polar regions