Building Giants
Underground Mega Highway (S04E03)
A skilled group of engineers employs advanced explosives and cutting-edge drilling equipment to carve through thick granite, creating an impressive...
S04E03
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Season 4 Episodes
S04E02 - L.A. Mega Rail
Building Giants
S04E03 - Underground Mega Highway
Building Giants
S04E04 - Mega Ice Ship
Building Giants
S04E05 - Earthquake Proof Mega Bridge
Building Giants
S04E06 - High-Speed Train
Building Giants
S04E07 - Monster Roller Coaster
Building Giants