Dublado e Legendado no OverFlix. Five years after 9/11, the terrorist attacks on the World Trade Center continue to claim the lives of American citizens. The violent collapse of the buildings released hundreds of thousands of pounds of deadly materials into the air - including carcinogens such as asbestos and benzene, lead and mercury from the thousands of crushed computers, and other toxins such as PCPs, PAHs and silicon particulates.