https://www.geocaching.com/geocache/GC8YAVV_3-perdido-em-moninho-um-sobreiro
GC8YAVV #3 Perdido em Moninho [Um Sobreiro] (Traditional Cache) in Coimbra, Portugal created by...
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...