![](/show/photo/16302/g150.jpg)
© Bokr, Pavel | 2004
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![](/show/photo/16307/g150.jpg)
© Bokr, Pavel | 2004
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![Úhošť](/show/photo/21962/g150.jpg)
Úhošť
© Motyčková Kamila - Šír Jiří, | 2004
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![](/show/photo/18472/g150.jpg)
© Mlčoch, Bedřich | 2004
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![](/show/photo/18473/g150.jpg)
© Mlčoch, Bedřich | 2004
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![Sampling of altered rocks in the main crater of the Cerro Negro volcano.](/show/photo/22420/g150.jpg)
Cerro Negro, Nicaragua
© Žáček, Vladimír | 2004
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![Týřov](/show/photo/22474/g150.jpg)
Týřov
© Stárková, Marcela | 2004
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![](/show/photo/23522/g150.jpg)
© Stárková, Marcela | 2004
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![](/show/photo/23553/g150.jpg)
© Vorel, Tomáš | 2004
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![](/show/photo/23991/g150.jpg)
© Lehotský, Tomáš | 2004
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![](/show/photo/24095/g150.jpg)
© Stárková, Marcela | 2004
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![The fonolite hill Bořeň at Bílina](/show/photo/29098/g150.jpg)
Bořeň u Bíliny
© Žáček, Vladimír | 2004
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![The fonolite hill Bořeň at Bílina](/show/photo/29099/g150.jpg)
Bořeň u Bíliny
© Žáček, Vladimír | 2004
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![The fonolite hill Bořeň at Bílina](/show/photo/29100/g150.jpg)
Bořeň u Bíliny
© Žáček, Vladimír | 2004
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![The fonolite hill Bořeň at Bílina](/show/photo/29101/g150.jpg)
Bořeň u Bíliny
© Žáček, Vladimír | 2004
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![The fonolite hill Bořeň at Bílina](/show/photo/29102/g150.jpg)
Bořeň u Bíliny
© Žáček, Vladimír | 2004
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![Active volcano Momotombo, Nicaragua](/show/photo/29954/g150.jpg)
Momotombo, Nicaragua
© Žáček, Vladimír | 2004
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![Volcanoes Concepción and Maderas on the island of Ometepe, Nicaragua](/show/photo/29959/g150.jpg)
Volcanoes Concepción and Maderas
© Žáček, Vladimír | 2004
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![Cerro Volcán de Somoto near the town of the same name, Nicaragua](/show/photo/29960/g150.jpg)
Cerro Volcán de Somoto
© Žáček, Vladimír | 2004
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![Cerro Volcán de Somoto near the town of the same name, Nicaragua](/show/photo/29961/g150.jpg)
Cerro Volcán de Somoto
© Žáček, Vladimír | 2004
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