Germany, Eifel, 23 May - 4 June 2023
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France, Allos, Alpes-de-Haute-Provence, 26 June - 09 July 2022
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Bulgaria, 4 - 15 July 2019
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France, Allos, Alpes-de-Haute-Provence, 30 June - 12 July 2018
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Hungary, Bükk, 14-20 July 2017
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Hungary, Bükk & Aggtelek, 8 - 15 July 2016
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Germany, Eifel, 23 - 26 May 2016
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Germany, Eifel, 29 July - 3 August 2015
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Germany, Eifel, May 2015
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Italy, Valle d'Aosta, 22 - 30 July 2014
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Germany & Belgium, Eifel and Viroin, 30 June - 3 July 2014
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Germany, Eifel, 6-9 August 2013
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Italy, Valle d'Aosta, 2 - 9 July 2013
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Portugal, Algarve, 5-12 April 2013
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Switzerland, Wallis, 9 - 16 July 2012
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Germany, Eifel, 7-10 August 2011
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Germany, Eifel, 4-8 July 2011
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France, Le Doubs, 29 July - 2 August 2010
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Hungary, Bükk, 4-12 July 2010
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