In the resort town of Skagen you can watch an amazing natural phenomenon. This city is the northernmost point of Denmark, where the Baltic and North Seas meet. The two opposing tides in this place can not merge because they have different densities.
The Rainbow Eucalyptus is the only Eucalyptus species found naturally in the Northern Hemisphere, and is found in New Britain, New Guinea, Ceram, Sulawesi and Mindanao. It's unique multi-hued bark is the most distinctive feature of the tree. Patches of outer bark are shed annually at different times, showing a bright green inner bark. This then darkens and matures to give blue, purple, orange and then maroon tones.