Aired Monday August 2, 4:00pm - 5:00pmon Smithsonian Channel SD

How Did They Build That?

Series 1 Episode 7: Sky Gardens & Seismic Stations

In this episode discover the world's longest sky gardens, a radical railways station built in the shadow of an active volcano, and the world's most slender tower.

Cast and crew
  • Robin LeachDirector
  • Matthew GravelleNarrator