Fig. 5: Modified tool and flake.
a Modified stone axe with edge of three-segment polyline in front view No. 2015SZT3⑧:3, b ground-edged flake No. 2016SZT34H159: 2 (image adapted from27).
Fig. 5: Modified tool and flake. | npj Heritage Science
a Modified stone axe with edge of three-segment polyline in front view No. 2015SZT3⑧:3, b ground-edged flake No. 2016SZT34H159: 2 (image adapted from27).
