Engineer Dr. Denise Stilling is turning used face masks into weather-resistant landscape bricks that can withstand a Prairie winter.

Face masks are now ubiquitous. And, unfortunately, are now as common in litter and landfills as they are on faces.

One University of Regina industrial systems engineer was bothered by how many she was seeing lying all over the ground, and thought she'd try to come up with a sustainable solution. She succeeded spectacularly.

Watch what Dr. Denise Stilling did with all those face masks in the video below: