That Steam Rising from the Pioneer Square Rescue Pit? That's Bertha Crowning.

Bertha's cutterhead is down there somewhere in all that steamy afterbirth. This was taken at 2 p.m. today. Washington State Department of Transportation
Bertha's eaten her concrete. A little after noon today, the Washington State Department of Transportation posted an update saying that the tunnel boring machine's cutterhead had mined through the rescue pit's southern wall. There's quite a bit of steam rising from the rescue pit, but WSDOT and Seattle Tunnel Partners will be ho