Maja Topcagic: The Red Queen; Faber-Castell coloured pencils on paper. (Copyright, 2014). "Spectacular drawing in coloured pencil, one of several in her portfolio." http://pevansy.deviantart.com/art/The-Red-Queen-496112411
I like the large squares with smaller stones in between. Might be a good and cheaper way to update the side patio/bbq area this year instead of doing concrete or pavers.