Vostok ice core# Joke - 肚皮舞运动
w*p
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Graph of CO2 (green), reconstructed temperature (blue) and dust (red) from
the Vostok ice core for the past 420,000 years
http://upload.wikimedia.org/wikipedia/commons/b/b8/Vostok_Petit
the Vostok ice core for the past 420,000 years
http://upload.wikimedia.org/wikipedia/commons/b/b8/Vostok_Petit