Tourists already clog the sidewalks (stopping every ten feet and striking a pose for pictures) in NYC. Add robots to the mix, it is gonna be fun. Maybe robots

Tourists already clog the sidewalks (stopping every ten feet and striking a pose for pictures) in NYC. Add robots to the mix, it is gonna be fun. Maybe robots won't come to NYC, because of winter/snow? How is this thing going to navigate a foot (or more) of snow (or slush/ice)?