A Snickers candy bar wrapper was just barely visible under a patch of green plants.

A cardboard box was discarded and set on top of a metal newspaper rack. The box may have been a pet's bed, but had been left outside too long to remain useful.

A highway cone sat at the edge of a sidewalk and was ready to stop a passing driverless taxi . A stuffed animal and other junk had gathered around the base of the highway cone.