asphalt cars downtown la Los Angeles motorroad road street wide danger deer hazard ice rural sign snow triangle warning forest house mirror motorway nature post roadhouse roadsign roof signs trees view drainage flood pavement seat spring surface water village water blur bollard copyspace cross lines man markings red sidewalk tarmac walking boy cow crossing road Hanoi looking taking care Vietnam blue drive lights traffic white yellow autumn empty fog park path pond wood crossing crossover crosswalk pedestrian public safety zebra child mother pedestrians walk angeles buildings deserted los offices