The eucalyptus trees are such a vivid blue-green that, en masse, they turn the mountains and sky around it blue. See it for yourself in the Blue Mountains outside of Sydney, Australia. Place a piece of it in your home with this blooming branch.
 
These fine art prints are professionally printed on premium paper or offered in ready-to-hang canvas. Pictured with "Blue Mountain Eucalyptus I" and "Mountain Flower Bouquet".