Picture gallery

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  HH heavy asheruption, Etna
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  Etna SE-crater
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  eruptions with moonlight
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  Rio Tinto Spain copperdeposit
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  Spain, Cabanas De la Sagra
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  Rothornhütte field course II & III 2010
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  RLB and RFM on the diatexite of Darmstadt main station with handpiece series from the field course Trifthütte Zermatt
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