New TwoNav Tutorial: Geocaching
"Geocaching is an outdoor activity consisting in hide and discover "treasures” using GPS devices. Classic treasures are placed inside boxes, usually tupperware boxes, hidden in specific locations by players from around the world. Coordinates for each treasure are published on specialized internet sites. In most of the cases, these boxes contain a guestbook to report each and every single visit, even gadgets might be found out as reward price for those who discovered the treasure"
In order to download this new tutorial: