Mom Chung

@MomChungtheTBM

I'm building the southbound @Central_Subway tunnel, improving transit in SoMa, Union Square & Chinatown. Follow me and @BigAlmatheTBM as we travel under SF.

Here's the back of my shield (installs tunnel segments). The white tube transports excavated spoils onto conveyors

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1164 days ago

Here's the back of my shield (installs tunnel segments). The white tube transports excavated spoils onto conveyors

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