In 1930s, the daredevils risking lives for building big skyscrapers were captured. The Empire state Building and RCA building (renamed later GE building) were two such buildings. There were other few men who did stunts like Philippe Petit who walked over high-wire. The dangerous nature of making skyscrapers at that time can be understood by these photos. You can view the entire photos from the the New York Public Library’s collection. Share this breath taking images. You can follow us on twitter at @evrystory.