https://www.geocaching.com/geocache/GCB7B1E_westheimer-dreieck
GCB7B1E Westheimer Dreieck (Traditional Cache) in Nordrhein-Westfalen, Germany created by Hirsch_22
Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing...