6.80/10 2021-09-01 42 minutes.HDThe world's highest bridge, the Duge Bridge or Beipanjiang Bridge, impossibly spans an 1,800-foot chasm known as the Crack in the Earth, and to build this engineering marvel, experts use cutting-edge construction technology that can conquer the deadly cliffs of this rugged environment.Year: 2021Studio: ScienceCountry: United Kingdom, United States of America