Skip to main content
Heart Donate
Heart Donate
Search

Support WBUR

Bertha Finally Breaks Through In Seattle

02:59
Workers prepare a gravel pad as a massive crane is used to lift a 2,000-ton section of the tunnel boring machine known as "Bertha" in March 2015. The project was stalled for two years as engineers struggled to repair the gigantic machine. (AP)
Workers prepare a gravel pad as a massive crane is used to lift a 2,000-ton section of the tunnel boring machine known as "Bertha" in March 2015. The project was stalled for two years as engineers struggled to repair the gigantic machine. (AP)

Support WBUR

Support WBUR

Listen Live
Loading...