Paving stone construction set

A concrete paving stone adapted to be disposed in circular and elongate paving configurations, the paving stone including side walls and a substantially planar upper face, each of the side walls being an arched side wall and including an elevated face at a center region thereof which comprises an abutting surface and two associated wedge surfaces adjoining the abutting surface on both sides thereof, the associated wedge surfaces extending from the abutting surface to an associated arched side wall, the elevated face further extending across a substantial portion of a length of the associated arched side wall and being effective for creating a fixed abutment between an adjoining elevated face of an arched side wall of an adjoining paving stone in a paving configuration, whereby, in a tilted positioning of the paving stone with respect to the adjoining paving stone in the paving configuration, one of the two wedge surfaces is effective for creating a fixed abutment with an adjoining one of wedge surfaces of the adjoining paving stone.