Herkulesbrunnen (Q37878705)

• matcher place: Innere Stadt (relation 1990592)
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• Overpass query: show query – Overpass Turbo

  [timeout:300][out:json];
  (
      node(around:1000,48.20445,16.36582)["man_made"="water_well"][name];
      way(around:1000,48.20445,16.36582)["man_made"="water_well"][name];
      rel(around:1000,48.20445,16.36582)["man_made"="water_well"][name];
      node(around:1000,48.20445,16.36582)[natural=water][name];
      way(around:1000,48.20445,16.36582)[natural=water][name];
      rel(around:1000,48.20445,16.36582)[natural=water][name];
  );
  out center tags;

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found a single match candidate