In this picture, they have used gravel and Dymondia
Q
another look
This is another idea of having the flagstones close to each other only in the center
if spacing in between the flagstones are wider, you will get such look
Gravel filled in between flagstone- closeup
A combination of DG and thyme
Gravel in between the flagstones
When you leave the thyme to flower
In this picture, they have used gravel and Dymondia
Q