Sydney's Super Tunnel 1 सीजन3 एपिसोड

Digging Deep

Documentary

50 मिनटEnglish

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.

उपशीर्षक :

English (CC)

देश:

Australia

निर्देशक:

Klaus Toft Matt Reilly

कलाकार सूची:

सलाह:

Mature Themes