Disaster strikes in this DVD movie, big cast of stars, in excellent condition. REDUCED to $4 In The Towering Inferno (1974), the tallest building in the world had an electrical fire that started on the 81st floor. FYI: The original World Trade Center opened in 1973 and at the time of the Twin Towers' completion, they were considered the tallest buildings in the world. One year later, this movie came out as a warning for building skyscrapers too high and the potential danger in case of fire. This film is dedicated to all firefighters and emergency responders.