To a firefighter who is inside one, a fire creates as much darkness as heat. Flames start bright but throw off smoke that can swathe everything in pitch black. Lieutenant Kevin Dowdell did not fight fires so much as he groped through and problem-solved them, relying on half-blind judgment and expertise—and his fellow firefighters to keep flaming debris off his back. More.

As we approach the 25th anniversary of the 9/11 terrorist attacks, some survivors are reflecting on the tragedy. "It's been 25 years, and without both of them I would've never made it out," Marilyn Willis, a survivor, recalled in the "9/11 Reunited," trailer. "That bond will always be there between us." More.