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Sydney's Super Tunnel
Season 1
Episode 3
Digging Deep
Documentary
50 分鐘
English
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.
字幕:
English (CC)
國家:
Australia
導演:
Klaus Toft
Matt Reilly
演員:
Lani John Tupu
建議:
Mature Themes
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