Alaska Mega Machines

自然

S1 E4 Bering Sea Giants

本集简介

Alaska's Coast Guard fights dangerous waters to maintain buoys; machinery finds big rewards 800 feet below Alaska's surface; Alaskans build a steel ferry.

上一集

2016/05/11 S1 E3

Gargantuan off the Grid

Alaskan engineers build a massive dam to power an entire town; the world's largest helicopters; Alaska's largest boat lift hauls a 400-ton fishing ship in high winds.

下一集

2016/05/25 S1 E5

Warriors in the Last Frontier

A barge carries an entire train along Alaska's high seas; a flying ambulance saves lives at 14,000 feet; 16 missiles stand by to prevent a nuclear disaster.

哇，窗口太小啦

Alaska Mega Machines