The Worlds Largest Tunnel-Boring Machine Must Be Saved
Bertha has stalled deep beneath Seattle, leaving the city’s planned waterfront renaissance hanging in the balance.
September 16, 2014 at 06:16PM
via Digg http://ift.tt/1u3rzpn
The Worlds Largest Tunnel-Boring Machine Must Be Saved
Bertha has stalled deep beneath Seattle, leaving the city’s planned waterfront renaissance hanging in the balance.
September 16, 2014 at 06:16PM
via Digg http://ift.tt/1u3rzpn