Vancouver is an odd city for that. You can be in an upscale neighborhood, walk a couple of blocks in the wrong direction, and find yourself in an open-air drug

Vancouver is an odd city for that. You can be in an upscale neighborhood, walk a couple of blocks in the wrong direction, and find yourself in an open-air drug market. Go another block and it's back to normal. OTOH, for sheer number of transients it's hard to beat SF.