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6 commenti

  1. Accomplished_Tip3597 on

    something is built underneath. old bunkers from the world wars for example

  2. Air vent for the local ground water collection is most likely. Old bunker or gas vent for old trash dump are possible buit really unlikely.

  3. Wise_Blacksmith_8356 on

    Thats an old freshwater building a “quellfassung” don’t know the English word for it

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