“Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.“
Seriously, St. Catherine St. where the parade is held is the main thoroughfare in downtown Montreal, and is always cleaned down to the pavement.
Alot of snow was piled up in churchyards and sidestreets, if you see other pictures of the parade, some snowbanks are as high as the church roof!