World's Tallest Bridge Goes Up in China with the Help of Some Rockets

They erected huge towers on either side of the valley to anchor the bridge, first off. Next, they attached 3,200-foot cables to rockets, accurately firing them across the valley to the other side. While other large bridges took care of this process using helicopters or kites, that was just too practical for these guys.
World's Tallest Bridge Goes Up in China with the Help of Some Rockets