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isa-boutriau: Erta Ale in the sun
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isa-boutriau: Erta Ale, Boiling stream
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isa-boutriau: Erta Ale, Flame
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isa-boutriau: Silver patterns, Erta Ale
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isa-boutriau: Smoke on Erta Ale
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isa-boutriau: Erta Ale, layers of lava
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isa-boutriau: the colours of lava
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isa-boutriau: Lava layers
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isa-boutriau: Erta Ale by night