Root Over Rock Jade Bonsai in 2 Years - Little Jade Bonsai - YouTube
Planting Bonsai on Rock | Infolific
Root Over Rock Bonsai - The Bonsai Seed
I made a root over rock Bonsai from an exposed root Chinese Elm. It was a little fiddly, but I like the placement of the roots and the contrast with the stone.
Development of Root Over Rock Bonsai | Bonsai tree types, Elm bonsai, Bonsai