The reunification in Christiansfeld
Go on a treasure hunt in Christiansfeld in the footsteps of the reunification in 1920. With Geocaching you find coordinates using a GPS receiver or a smartphone. To move on in the treasure hunt, you must solve puzzles/answer questions based on the knowledge you gain from the various places.
Find the route at www.geocaching.com - search on "Christiansfeld", the tour is called "Reunion in Christiansfeld".