Granite Setts are incredibly hard wearing, making them a great choice for high traffic areas such as pathways like in this garden pathway design by Thorburn Landscapes. Nice design to use for narrow patio area outside french windows.
Those look like olive trees? Grasses and agaves -- a drought-tolerant alternative to lawn in hot, dry climates. Oehme Van Sweden drought tolerant demonstration garden with grasses and agave at Cornerstone.