Source: Eric Gaba, Wikimedia Commons user Sting
Copyright: Creative Commons CC BY-SA 3.0
La grotte des Petites-Dalles est située à Saint-Martin-aux-Buneaux près de Fécamp en Seine-Maritime dans la région Normandie, en pays de Caux.Connue depuis longtemps mais explorée par les spéléologues à partir de 1966,, son développement total atteint 853 mètres fin 2021, ce qui en fait la plus longue grotte de la Seine-Maritime. Elle fait l'objet d'un chantier durable de décolmatage.
Source: Wikipedia.org
Copyright: Creative Commons 3.0
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Source: Eric Gaba, Wikimedia Commons user Sting
Copyright: Creative Commons CC BY-SA 3.0
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Source: Eric Gaba, Wikimedia Commons user Sting
Copyright: Creative Commons CC BY-SA 3.0
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