"A blacktop rectangle"
A blacktop rectangle forms the intersection where 3 cats, 2 grey and 1 yellow, cross between dumpsters. Mostly dirt from tires and shoes falls into the rectangles' cracks, but one night a black marker appears. The next night a shower ring arrives. Then all at once, 89 broken plant roots with 3 stems show up. Now that they are all in attendance, cars squash each and every one of them. Except for the cats.