https://www.tu-chemnitz.de/advent/2018/5/
TUC-Adventskalender 2018 (5): Mit der Alma durchs Erzgebirge
adventskalender 2018tuc5mitalma
https://www.geocaching.com/geocache/GC69811_01-adventskalender-2018
GC69811 #01 Adventskalender 2018 (Unknown Cache) in Sachsen, Germany created by Weihnachtsgewichtel
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...
adventskalender 2018
https://www.tu-chemnitz.de/advent/2018/11/
TUC-Adventskalender 2018 (11): Glockenwanderweg
adventskalender 2018tuc11