How Did They Build That? (2021)

How Did They Build That? (2021)

Summit & Submerge (4x7)


Ημερομηνία προβολής: Σεπ 14, 2025

Building an eco-friendly visitor centre in the permafrost on Colorado's Pikes Peak tests the team. A museum is constructed in a disused dry dock that's in danger of collapse.

  • Πρώτη προβολή: Ιαν 2021
  • Επεισόδια: 38
  • Ακόλουθοι: 4
  • Τρέχων
  • Smithsonian Channel
  • στο 0