WRIGHTWOOD, CA - AUGUST 18: Intense flames driven by extreme drought conditions, wind and hot weather sweep through a remote section of the San Bernardino National Forest during the Blue Cut Fire on August 18, 2016 near Wrightwood, California.. An unknown number of homes and businesses have burned and more than 80,000 people were ordered to evacuate as the wildfire spreads beyond 30,000 acres and threatens to expand into the ski resort town of Wrightwood. (Photo by David McNew/Getty Images)

A woman carrying a shopping bag stands in front of the luxury store Harrods in west London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

Pedestrians walk past shops in Knightsbridge in central London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

Pedestrians walk along the pavement in the busy shopping district on Oxford Street central London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

A pedestrian walks carrying a shopping bag in Oxford Street in central London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

A pedestrian walks carrying a shopping bag in Oxford Street in central London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

Pedestrians walk past a branch of Swedish retail-clothing company H&M on Oxford Street in central London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images

Pedestrians walk along the pavement in the busy shopping district on Oxford Street central London on August 17, 2016. Retail sales in Britain, a key driver of the country's economy, rebounded 1.4 percent in July from the previous month's drop, official data showed on August 18, calming fears over any immediate fallout from Brexit. Sales by volume rose sharply following a 0.9-percent drop in June that had been caused by wet summer weather, according to the Office for National Statistics. / AFP PHOTO / DANIEL LEAL-OLIVASDANIEL LEAL-OLIVAS/AFP/Getty Images