Edifício Praça da Bandeira, formerly known as the Joelma Building, is a 25-story building in downtown São Paulo, Brazil, completed in 1971, located at Avenida 9 de Julho, 225. On 1 February 1974, an air conditioning unit on the twelfth floor overheated, starting a fire. Because flammable materials had been used to furnish the interior, the entire building was engulfed in flames within twenty minutes. Of the 756 people occupying the building at the time, 179 were killed and 300 injured. The Joelm…