No. 5: Harriet

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Meet Harriet, the giant earth-boring machine that's drilling a new Port of Miami tunnel.

Harriet started drilling a few months ago and will keep going for more than a year.

The $1 billion port tunnel project should be complete in 2014.

Related Stories:

Nov. 15: Miami port tunnel drilling begins

Nov. 9: Port officials: We want to compete with Panama

Nov. 4: Cameras go inside Port of Miami tunnel

Nov. 3: Crews make final preparations for Port of Miami tunnel drilling

Oct. 25: New construction surrounds Port of Miami tunnel

Sept. 1: Giant drill brought in for Port of Miami tunnel project

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