Big Sur wildfire

A Cal Fire firefighter walks down a trail on Garzas Trail in the Santa Lucia Preserve above Carmel Valley, Calif. on July 28, 2016.

A mailbox sits on a hillside charred by a fire at Palo Colorado Canyon in Big Sur, Calif., July 28, 2016. Firefighters struggled Thursday to get the upper hand on a massive wildfire burning along California’s picturesque Big Sur coastline, where anxious residents driven from their homes awaited word on their properties and popular parks and trails closed at the height of tourist season.

A helicopter picks up water near Robinson Canyon Road in Carmel Valley, Calif., to drop on the wildfire July 28, 2016.

Cal Fire firefighter lay hose on Garzas Trail while fighting a wildfire in the Santa Lucia Preserve above Carmel Valley, Calif., July 28, 2016.

A plane drops fire retardant on a wildfire in Carmel Valley, Calif., July 28, 2016. F

A house lies in ashes after a fire at Palo Colorado Canyon in Big Sur on July 28, 2016.

U.S. Forest Service fire personnel look over debris at a home burned by a fire at Palo Colorado Canyon in Big Sur on July 28, 2016.

The remains of a car that burned with the Soberanes Fire in Palo Colorado Canyon on the northern Big Sur Coast on Tuesday July 26, 2016 in Big Sur, Calif. California’s signature parks along the Big Sur coastline that draw thousands of daily visitors were closed Tuesday as one of the state’s two major wildfires threatened the scenic region at the height of the summer tourism season.

This July 23, 2016 photo shows a large plume of smoke rising over a hilltop in the distance as people enjoy a sunset on the beach in Carmel, Calif. The operator of a bulldozer was killed when it rolled over during the fight against the wildfire near Big Sur.