FIG. 1 is a perspective view of a landscape stone showing my new design.
FIG. 2 is a top plan view thereof.
FIG. 3 is a front elevational view thereof.
FIG. 4 is a left side elevational view thereof.
FIG. 5 is a right side elevational view thereof.
FIG. 6 is a back elevational view thereof.
FIG. 7 is bottom plan view thereof; and,
FIG. 8 is a plan view of an example condition of use showing the landscape stone illustrated in FIGS. 1-7 in combination with other landscape stones. The features shown in FIG. 8 in dashed lines form no part of the claimed design.