The incredibly colorful "rainbow mountains" look like they're from an alien planet, but they actually exist right here on Earth. More precisely, they're part of the Zhangye Danxia Landform Geological Park in Gansu, China. The rainbow mountains became a UNESCO World Heritage Site in 2010.Vivid mountains are the result of mineral deposits and red sandstone from over 24 million years ago. Layers formed on top of one another, creating the colorful patterns of rock strata.
bark from a rainbow eucalyptus tree. Just saw these on the road to Hana. Maui.
Rainbow Eucalyptus" Hana, Maui, Hawaii The unusual phenomenon is caused by patches of bark shedding at different times. The different colours are therefore indicators of the age of the bark: Freshly shed outer bark will reveal the bright green inner bark. This darkens over time and changes from blue to purple and then reaches orange and maroon tones.
The paperbark cherry, or Tibetan cherry tree is known for its stunning mahogany-red bark. As the tree ages, its bark peals adding color and texture.