The Colour Blue: Relaxation, Peace, Wisdom and Something Else

The length of the blue trail The distance between London and Berlin is 933 kilometers. The National Blue Trail is 1128 kilometers long. The latter is the oldest long distance walking route in Europe; it was in 1938 when the first hikers completed the horizontal blue stripe between two white stripes – marked path (yes, […]

Easy: < 10 km 
Moderate: 10-20 km
Difficult: > 20 km