Traffic jam of robot couriers caused by winter weather

Back in 2017, the Estonian government approved a law that would allow delivery robots to use pedestrian walkways. On a typical, unencumbered day, they zip around the sidewalks at about 3.7 miles per hour.

Unfortunately, no one accounted for the impacts of a heavy snowfall in the Estonian capital of Tallinn:

If only they had sent out the Lumebot automated snowplow to clear the way!