Home / Series / How Did They Build That? (2021) / Aired Order / Season 1 / Episode 4

Viaducts & Hotels

Travel to a French valley, a Shanghai quarry, and the middle of Milan and witness architectural and engineering wonders.

English
  • Originally Aired January 24, 2021
  • Runtime 44 minutes
  • Content Rating United States of America TV-G
  • Network Smithsonian Channel
  • Created February 15, 2021 by
    Administrator admin
  • Modified February 15, 2021 by
    Administrator admin