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Cambridge University: Darvaza Gas Crater, night time (Credit: Robert Hird)
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Cambridge University: Darvaza Gas Crater, late afternoon (Credit: Robert Hird)
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Cambridge University: The village of Erbent, Turkmenistan (Credit: Robert Hird)
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Cambridge University: Campsite at Darvaza Gas Crater (Credit: Robert Hird)
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Cambridge University: Darvaza Gas Crater, early evening (Credit: Robert Hird)