Construction crews are nearly finished excavating the second of two tunnels for Metro's Regional Connector project, and on Friday, the tunnel reached the future Grand Avenue Arts/Bunker Hill subway station in Downtown LA.

A video from Metro captures the drama of the moment when "Angeli," as the project's enormous tunnel boring machine is known, broke through to the under-construction station.

As The Source reports, the tunneling went faster than expected this time around, with workers making as much as 190 feet of progress in a day.

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