Two blocks of "Street Cleaning"
Added 2018-07-13 19:52:11 +0000 UTC" Z-fighting, also called stitching, is a phenomenon in 3D rendering that occurs when two or more primitives have similar or identical values in the z-buffer. It is particularly prevalent with coplanar polygons, where two faces occupy essentially the same space, with neither in front. "
~Wikipedia
Two block of this mess in under 20 minutes.
