The article says that the cause is not yet known, but I'm thinking it might be an electrical fault or bad wiring, which seems like a common problem for older st

The article says that the cause is not yet known, but I'm thinking it might be an electrical fault or bad wiring, which seems like a common problem for older structures in Brazil (or anywhere in the world). A short circuit caused a massive fire at another big museum in Brazil in 2015, the Museu da Língua Portuguesa[1] in Sao Paulo. [1] https://en.wikipedia.org/wiki/Museum_of_the_Portuguese_Language#2015_fire https://en.wikipedia.org/wiki/Museum_of_the_Portuguese_Langu...