An arboretum is a botanical garden devoted to growing trees for conservation, scientific research and educational purposes. Pronounced arr-boor-eetum.

From the national arboretum canberra website

Cloud Land

I am fascinated by the ever changing beauty of clouds – and Canberra, often puts on a great show. When I visited the Arboretum the sky was strewn with small cumulus clouds. The blue and white contrasted against the vibrant green of the arboretum lawns was quite striking.

Cloud Land – click to enlarge