Structural Engineer Answers City Questions From Twitter | Tech Support | WIRED

Structural engineer Dr. Nehemiah Mabry answers the internet’s burning questions about city building. How are underwater tunnels made? What city has the best urban designer? How do bridges not collapse? How do floating cities work? How do sink holes happen? Nehemiah answers all these questions and much more! Director: Lisandro Perez-Rey Director of Photography: Constantine Economides Editor: Ron Douglas Expert: Dr. Nehemiah Mabry Line Producer: Joseph Buscemi Associate Producer: Brandon White Production Manager: Eric Martinez Production Coordinator: Fernando Davila Casting Producer: Nicole Ford Camera Operator: Chris Alfonso Audio: Brett Van Deusen Production Assistant: Ryan Coppola Post Production Supervisor: Alexa Deutsch Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Assistant Editor: Ben Harowitz Still haven’t subscribed to WIRED on YouTube? ►►