Photo - Idagrotte

© Prazak · CC BY 2.5, https://creativecommons.org/licenses/by/2.5/ · Wikimedia Commons · https://commons.wikimedia.org/wiki/File:Idagrotte.jpg

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Contains information from © OpenStreetMap contributors, www.openstreetmap.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · data as of 2026 · Source: Wikidata – cave items (Germany) (www.wikidata.org), modified. CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/ Wikidata (CC0 1.0) · names · obtained 2026-11-13 · data as of 2026 · The derived data is available on request under the ODbL: [email protected]