Volcanic activity - FDC - Postcard - Maxicard

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China FDC - 03 - 09 -1993 Volcanic Lake Tianchi Changbashan area, Jilin |
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Colombia FDC - 11 - 04 - 2003 Volcanic Lake Laguna Verde Green acid volcanic lake Caldera of Azufral Volcano |
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Ethiopia FDC - 14 - 12 - 1993 Volcanic Lake Zuquala |
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Island FDC - 23 - 06 - 1965 Volcano - Surtsey april 1964 |
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Slovensko FDC - 19 - 09 - 2016 Herlany cold Geyser UNESCO Heritage |