A firefighters walks next to a burning brush in Pumanque, Chile, Saturday, Jan. 21, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

In this Jan. 21, 2017 photo, a firefighters work near a wall of flame in Pumanque, Chile. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

In this Jan. 21, 2017 photo, a firefighter walks past burning brush in Pumanque, Chile. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

A firefighter from the Forest National Corporation, CONAF, works at a forest fire in Pumanque, Chile, Saturday, Jan. 21, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

Chickens rest by a home burned by a forest fire in Pumanque, Chile, Saturday, Jan. 21, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

In this Jan. 21, 2017 photo, a firefighter works to put out a forest fire in Pumanque, Chile. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

In this Jan. 21, 2017 photo, firefighters work to put out a forest fire in Pumanque, Chile. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

In this Jan. 21, 2017 photo, a forest fire burns in Pumanque, Chile. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

In this Jan. 21, 2017 photo, people watch a forest fire burn in Pumanque, Chile. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

A youth wearing a head lamp watches a forest fire rage on a mountain in Cajon del Maipo, on the outskirts of Santiago, Chile, Tuesday, Jan. 24, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

A woman closes a gate on her land as a forest fire rages on a nearby mountain in Cajon del Maipo, on the outskirts of Santiago, Chile, Tuesday, Jan. 24, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

A firefighter takes pictures of a forest fire as another rests as they fight the blaze in Cajon del Maipo, on the outskirts of Santiago, Chile, Tuesday, Jan. 24, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

A firefighter digs a trench in an effort to stop the advancement of a forest fire in Cajon del Maipo, on the outskirts of Santiago, Chile, Tuesday, Jan. 24, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

Firefighters pause from digging trenches in an effort to stop the advancement of a forest fire in Cajon del Maipo, on the outskirts of Santiago, Chile, Tuesday, Jan. 24, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)

Firefighters dig ditches on a mountain in an effort to stop the spread of a wildfire in Cajon del Maipo, on the outskirts of Santiago, Chile, Tuesday, Jan. 24, 2017. Chile is suffering one of its worst fire waves in history. The fires have outpaced local ability to put them out, forcing Chile to request international aid. (AP Photo/Esteban Felix)