WRIGHTWOOD, CA - AUGUST 18: A firefighting helicopter makes a drop near a hillside painted red with fire retardant as firefighters work to protect homes along Cajon Boulevard at 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)

WRIGHTWOOD, CA - AUGUST 18: A firefighting helicopter makes a drop as firefighters try to gain control of the fire above homes along Cajon Boulevard at 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)

WRIGHTWOOD, CA - AUGUST 18: A firefighting helicopter pilot tries to stop flames close to jumping a ridge, even though the ridge is already painted red with fire retardant, above Cajon Boulevard at 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)

The plight of the workers, stranded for months in crowded dormitories at labor camps with little money and limited access to food, water or medical care, has alarmed their home countries and drawn unwelcome attention to the conditions of some of the 10 million foreign workers on whom the Saudi economy depends. REUTERS/Faisal Al Nasser

People holding mobile phones are silhouetted against a backdrop projected with the Twitter logo in this illustration picture taken in Warsaw September 27, 2013. REUTERS/Kacper Pempel/Illustration/File Photo GLOBAL BUSINESS WEEK AHEAD PACKAGE - SEARCH "BUSINESS WEEK AHEAD JULY 25" FOR ALL IMAGES - RTSJGEW

People holding mobile phones are silhouetted against a backdrop projected with the Twitter logo in this illustration picture taken in Warsaw September 27, 2013. REUTERS/Kacper Pempel/Illustration/File Photo GLOBAL BUSINESS WEEK AHEAD PACKAGE - SEARCH "BUSINESS WEEK AHEAD JULY 25" FOR ALL IMAGES - RTSJGEW

Foreign Minister Murray McCully (R) of New Zealand is welcomed by Hungary's Minister of External Economy and Foreign Affairs Peter Szijjarto (L) in Tapolca town on August 18 , 2016 prior to their official meeting. / AFP PHOTO / ATTILA KISBENEDEKATTILA KISBENEDEK/AFP/Getty Images

Foreign Minister Murray McCully (L) of New Zealand is welcomed by Hungary's Minister of External Economy and Foreign Affairs Peter Szijjarto (R) in Tapolca on August 18 , 2016 prior to their meeting. / AFP PHOTO / ATTILA KISBENEDEKATTILA KISBENEDEK/AFP/Getty Images