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Here's What Caused Fire That Destroyed Brazil's National Museum

An air conditioning unit
By Newser Editors and Wire Services
Posted Apr 4, 2019 4:00 PM CDT

(Newser) – An air conditioning unit was the "primary cause" of a fire that destroyed Brazil's National Museum and most of its 20 million artifacts, police experts said Thursday. The larger investigation into the Sept. 2 tragedy is still ongoing, but experts released their findings on the origin and location of the blaze, the AP reports. "Various pieces of evidence ... allowed us to conclude that the (air conditioning unit) was the primary cause of the fire," expert Marco Antonio Zatta said during a news conference in Rio de Janeiro. Temperatures rose above 1,000 degrees centigrade in the museum auditorium where the fire began, experts said, creating such damage that it wasn't possible to determine why the air conditioning unit caught fire.

But Zatta said the units there were receiving a stronger electrical current than they were designed to handle. Federal police experts also stressed that aside from fire extinguishers, the museum lacked most recommended fire protection devices, such as hoses, sufficient water sprinklers, and fire doors. According to the Open Accounts nonprofit that tracks spending, the museum had spent only $4,000 on safety equipment from 2015 to 2017. The museum held Latin America's largest collection of historical artifacts. (After the fire, researchers retrieved a fraction of the museum's collection, including skull fragments belonging to "Luzia," the name given to a woman who lived 11,500 years ago.)


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