A bulldozer is used to cut a fire break as a helicopter flies over with a bucket of water to fight the flames of a massive wildfire Thursday, Oct. 12, 2017, in Sonoma, Calif. Gusting winds and dry air forecast for Thursday could drive the next wave of devastating wildfires that are already on their way to becoming the deadliest and most destructive in California history. (AP Photo/Rich Pedroncelli)