Firefighters have increased containment on the Park Fire near Chico, California, which at 621-square-miles as of Friday is now the fourth largest wildfire in history.
The fire, which covers parts of four counties—Butte, Plumas, Shasta and Tehama—has a massive amount of resources assigned to it. More than 6,000 firefighters, 537 engines, 148 water tenders and 41 helicopters ar