What’s really fascinating, however, is that the bark changes colour over time, which is what gives the tree its kaleidoscopic look.

“It starts off as a bright green when first exposed, and then turns to red, orange and purple tones and then to brown as the bark matures – this is then shed and the process starts again,” Brett explains.

Full article & photo here: https://www.australiangeographic.com.au/topics/science-environment/2019/07/who-painted-the-bark-meet-the-magnificent-rainbow-eucalyptus/