Colossal Machines

8:00 AM to 9:00 AM

Friday 9 May

Sub-Zero Supermachines

Season 1 Episode 4 of 6

Machines designed to operate in extremes of cold weather, including snow ploughs, all-terrain vehicles, ice breakers and trains running through icy regions

Colossal Machines airs on National Geographic Channel HD at 8:00 AM, Friday 9 May. (Subtitles.)

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