다음 채널에서 시청 가능: Prime Video, HISTORY Vault, Sling TV
시즌 1, 에피소드 6: America has a history of building the impossible. Across the nation, a new generation of impressive projects is underway. On this episode: New Tappan Zee Bridge; Los Angeles Subway; New Orleans pump station; Mount Rushmore preservation.
Documentary · 2018년 9월 1일 · 39분