Sydney's Super Tunnel 1 시즌3 에피소드

Digging Deep

Documentary

50 분English

A challenge lies in weight when the time comes to dig two tunnels beneath Sydney Harbour, with an insight into the team's planning process.

자막:

English (CC)

국가:

Australia

연출:

Klaus Toft Matt Reilly

출연:

등급:

Mature Themes