colorful green volcanic lake terraces and yellow sulphur minerals, danakil depression desert, afar region, ethiopia

acid active afar africa african beauty chemical colors crater dallol dalol danakhil danakil depression danger desert earth ethiopia ethiopian exotic extraterrestrial extreme field glowing heat hot hydrothermal lake landscape lava magma martian mineral mud multicolor nature outdoor salt spring sulfur sulphur terrace toxic travel turquoise vivid volcanic volcano yellow