Harriet Sees Light After Seven Months! Port Tunnel.

Harriet, as she's known by tunnel workers, a massive boring machine has completed half of the Miami Access Tunnel Project. The four story tall machine has been working nonstop for seven months underground. It will take three months to turn Harriet around before the other half of the Access Tunnel Project can be completed.

Construction is due to be completed by the spring of 2014

Read more here: http://www.miamiherald.com/2012/07/31/2922983/halfway-done-port-tunnel-drilling.html#storylink=misearch#storylink=cpy