🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiРусскийEntityQ286899· pop 17· linked from 195 articlessumpAlso known as siphon, duckpassage in a cave that is submerged under waterWikidata factsImageSump (cave).svgSources (1)wikidata.orgvia Wikidata · CC0Available in 16 languagesEspañolFrançaisDeutschРусскийItalianoAzerbaijaniBelarusianBulgarianGeorgianHausaConnectionsstalactiteEntityInternational Standard Book NumberEntityCategoriesCavingHydrology