Podcast:Stuff You Should Know Published On: Sat Feb 27 2021 Description: From prehistoric logs across streams to the 102-mile Kunshan Grand Bridge, nature works ceaselessly to take down spans. In this classic episode, learn about the fascinating ins and outs of bridge design and building and the mind-boggling challenges structural engineers face. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.