Building Giants

Building Giants

Underground Mega Highway (4x3)


Fecha de emisión: May 20, 2020

An expert team of engineers use hi-tech explosions and state-of-the-art drilling rigs to tear through solid granite and build an 11-mile underground tunnel, one of the longest in the world.

  • Estrenada: Ene 2018
  • Episodios: 29
  • Seguidores: 7
  • Finalizado
  • Science Channel
  • Miércoles a las 21