I made you a very interesting post that is called "Amazing Ways to Use White Pebbles in Your Landscape". For the high traffic areas, you can use solid,
Villa in Frankreich: Modern Garten von Bolz Licht & Design GmbH Mehr
Relaxing outdoor space with lots of greenery
vertical gardening trellising tomatoes - I like this idea. You could add decorative metal brackets onto a fence or brick wall and do the same.