New Pavement Made From Tires Will Save Old Faithful's Groundwater

Labor Day Weekend is one of the busiest times at Yellowstone National Park, and its famous geyser, Old Faithful, reels in 90% of the park's 3.6 million annual visitors. To keep that geyser reliably spewing steam and water 140 feet into the air every hour or two well into the future, the park is surrounding the thing with pavement made from tires.