Love the idea of growing herbs/plants between stepping stones as the ground landscaping. If you have to retain a tree growing out of the middle of your patio - make a feature of it as they've done here by edging it with box topiary.
The Eagle Has Risen: Stellar Spire in the Eagle Nebula. A billowing tower of gas and dust rises from the stellar nursery known as the Eagle Nebula. This small piece of the Eagle Nebula is 57 trillion miles long trillion km).