There’s a certain point, as you drive west on the motorway from Sydney, Australia, where your eyes are greeted with a blue vista on the horizon.
You are not seeing the ocean, but some of the trees in the 1.03 million hectares that make up the Greater Blue Mountains Area. The magic in these trees is so strong it can change the colour of the landscape, covering their green canopy with a blue-grey haze.
The eucalypts which dominate the mountain forests discharge a fine mist of eucalyptus oil from their leaves. The mist refracts light, which makes the haze look blue from a distance.
Even now, after living in this natural wonderland for 30 years, the sight of that blue on the horizon puts a smile on my face when I am returning home.
It’s as if the trees themselves are calling to me. Perhaps they are.