Watch This Army of 21 Snow Plows Team Up to Clear a Canadian Highway

You'd imagine that it would take quite a few plows to clear a snow-covered highway, but not quite this many. Keep count as they go through and you'll see a whole 21 plows in formation (and a couple of sand trucks) painstaking passing piles of grey road-sludge to the right and to the right again and to the right again on this highway in Toronto. More