Inlay stone into a channel as pictured. Cast them in casting resin. Use this as a feature in a bamboo floor. Seamless. Curves riverbed through the floor. Give it depth. Stones, deeper pools. Build a riverbed complete with moss, cast it all in resin. Beautiful wood floor edging it but completely flush. Recirculate the water feature underneath to give it real water motion.... Combo of water through rocks etc and cast setting above. Slabs inlaid into floor along the path/ stream.... A mosaic of the floor.designed with the reformers in mind.
Large flat stones inset into the floor.