What does it take to build skylines? Cowboys of the Sky is a documentary film chronicling the journey of legendary ironworker John Rukavina. The story originates in the 1950's in gritty South Chicago during a time when graphite would rain from the sky, and continues to present day a top the country's highest steel. By visiting the film's webpage cowboysofthesky.com you can learn more about the film and support the project. Check out the uniquely designed steel spine t-shirts.