SocietyPittsburgh shines without steel02:16This browser does not support the video element.Society11/18/2017November 18, 2017Pittsburgh was once a rust-belt behemoth, a city that owed its very existence to steel. But as jobs in the steel industry dried up, the city looked for ways to weather the loss, and transformed itself into one of the most livable cities in the US.Copy linkAdvertisement