A significant event has had lasting health impacts for decades. The Twin Towers' collapse released a cloud of toxic dust. Frank Kotnik, who grew up watching the towers' construction, has a personal connection to the site. As a teenager, he and his friends attempted to reach the roof of the World Trade Center. Years later, Kotnik visited Ground Zero, describing the scene as a "moonscape" of dust.

Further details about Kotnik's experience and the health effects of the toxic dust are available. The event has had a profound impact on those who witnessed it and those who responded to the disaster.

More information can be found through the reporting of Lauren Mascarenhas, CNN.