
Remains of burned homes are seen in a neighborhood in Fort McMurray, Alberta, on Friday, May 13. A massive wildfire has forced more than 88,000 people from their homes.

Remains of a building stand in the neighborhood of Abasand in Fort McMurray on May 13.

Burned trees dot the landscape in Fort McMurray on May 13.

Canadian Prime Minister Justin Trudeau, left, and Fort McMurray Fire Chief Darby Allen look over the devastation during a visit to Fort McMurray on May 13.

Charred remains of homes are seen in Fort McMurray on May 13.

A police officer looks over a destroyed building in the Abasands neighborhood of Fort McMurray on Monday, May 9.

Burned ground surrounds a sign welcoming visitors to Fort McMurray on May 9. The wildfire began Sunday, May 1, and had torched nearly 617,800 acres as of May 10, according to Alberta's Wildfire Management agency. The cause of the blaze was unclear.

Remains of a burned-out house sit near intact homes in Fort McMurray on May 9.

Smoke fills the air as a police officer checks vehicles at a roadblock along Highway 63 leading into Fort McMurray on Sunday, May 8.

Rodney Howse gets water at a donation center on May 8. The center was established to help evacuees who were forced from their homes by the wildfire.

A ball of flame rises behind abandoned vehicles on Highway 63 near Fort McMurray on Saturday, May 7.

Foundations of homes are all that remain in parts of a residential neighborhood in Fort McMurray on May 7.

Skeletons of patio furniture are seen on May 7.

A helicopter helping with the Fort McMurray wildfire takes off from a staging base near Conklin, Alberta, on May 7.

Remains of a home in Fort McMurray are seen on May 7.

Charred vehicles sit in a heavily damaged residential neighborhood on May 7.

Smoke and flames create a dramatic sunset near Fort McMurray on Friday, May 6.

A huge plume of smoke from the wildfires rises over Fort McMurray in this aerial photograph taken on May 6.

The remains of a swing sits in a residential neighborhood destroyed by the fire on May 6 in Fort McMurray.

A plane drops fire retardant in Fort McMurray on May 6.

A police helicopter lifts off through dust and smoke on May 6.

Drivers wait for clearance to take firefighting supplies into town on Thursday, May 5, outside Fort McMurray.

A member of the Royal Canadian Mounted Police surveys wildfire damage in Fort McMurray. The RCMP tweeted the photo on May 5.

Tyra Abo sits on a cot at a makeshift evacuation center in Lac la Biche, Alberta, on May 5.

A woman picks through donated clothing and goods at a makeshift evacuation center in Lac la Biche on May 5.

The wildfire moves toward the town of Anzac on Wednesday, May 4.

People camp out at a beach south of Fort McMurray on May 4.

Evacuees watch the wildfire near Fort McMurray on May 4.

Traffic is at a standstill on Highway 63 south as residents flee the wildfire on May 4.

Robert Parker, left, and Matt Jones siphon gas from two snowmobiles for their truck on May 4.

A helicopter flies past the wildfire in Fort McMurray on May 4.

The wildfire rages through Fort McMurray on Tuesday, May 3.

The wildfire burns through northern Alberta in this image released by NASA on May 3.