Category:Retention ponds in North Rhine-Westphalia

Coat of arms of Germany.
Federal states of Germany: Baden-Württemberg · Bavaria · Berlin · Brandenburg · Hamburg · Hesse · Lower Saxony · North Rhine-Westphalia · Saxony · Saxony-Anhalt · Schleswig-Holstein · Thuringia

Subcategories

This category has the following 6 subcategories, out of 6 total.