Disaster_Accident

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This handout graphic provided by Flight Radar shows how Qatar Airways flights are managing bans on flights through the airspace of Bahrain, Saudi Arabia, UAE, & Egypt, by flying over Iranian airspace. The political storm surrounding Qatar is impacting business in one of the world’s biggest natural gas producers and travel hubs. (Flight Radar via AP)

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This handout graphic provided by Flight Radar shows how Qatar Airways flights are managing bans on flights through the airspace of Bahrain, Saudi Arabia, UAE, & Egypt, by flying over Iranian airspace. The political storm surrounding Qatar is impacting business in one of the world’s biggest natural gas producers and travel hubs. (Flight Radar via AP)

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In this June 22, 2016, file photo, people walk on subway platform in New York. (AP Photo/Frank Franklin II, File)

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In this May 20, 2017 photo, fencing surrounds areas of the Laurel Point Resort in Gatlinburg, Tenn., that were damaged in a wildfire in 2016. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, cars travel through downtown Gatlinburg, Tenn. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, a fire-damaged building overlooks cars driving through downtown Gatlinburg, Tennessee. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, people wait to cross the street in Gatlinburg, Tenn. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, a handmade sign stands in front of the fire-damaged Mountain Laurel Chalets. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, a worker at Aunt Mahalia's candy store can be seen through a store window. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, a concrete pad remains where a building once stood in Gatlinburg, Tenn. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017, people walk through downtown Gatlinburg, Tenn. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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In this May 20, 2017 photo, a new chairlift attraction is under construction in downtown Gatlinburg, Tenn. A deadly wildfire in November of 2016 put a dent in the tourism industry, but signs of growth are returning. (AP Photo/Kristin Hall)

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A man rides a zip line from the second floor of the Eiffel Tower, 115 meters above the ground and 800 meters long, as part of a free event in Paris, France, Sunday, June 4, 2017. (AP Photo/Kamil Zihnioglu)

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A woman rides a zip line from the second floor of the Eiffel Tower, 115 meters above the ground and 800 meters long, as part of a free event in Paris, France, Sunday, June 4, 2017. (AP Photo/Kamil Zihnioglu)

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This April 17, 2017, photo shows the construction of the new Park Road Bridge in Iowa City, Iowa. After routine flooding in recent years, the city has started a $40 million project to raise Dubuque Street and the bridge, which takes traffic over the Iowa River near the University of Iowa campus. (AP Photo/Ryan J. Foley)

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In this March 28, 2017, photo, work is done on a piling on the Red Bridge pedestrian bridge over the Des Moines River in Des Moines, Iowa. A little more than a decade after it was restored, crews went back to the site with a crane to hoist the span more than 4 feet higher, at a cost of $3 million, after experts concluded that the river's flooding risk was double the previous estimates. (AP Photo/Charlie Neibergall)

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In this March 28, 2017, photo, the Red Bridge pedestrian bridge is seen over the Des Moines River in Des Moines, Iowa. A little more than a decade after it was restored, crews went back to the site with a crane to hoist the span more than 4 feet higher, at a cost of $3 million, after experts concluded that the river's flooding risk was double the previous estimates. (AP Photo/Charlie Neibergall)

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FILE- In this Jan. 4, 2017, file photo, traffic crosses the Virginia Street bridge in downtown Reno, Nev., above the rising waters of the Truckee River, where a flash flood watch was in effect. The bridge built last year replaced a century-old one where logjams were blamed for intensifying flooding that caused hundreds of millions of dollars of damage in January 1997. (AP Photo/Scott Sonner, File)

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