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Harvard Square Pt 3
Eric inside the Harvard Square Station, a major train and bus station around Boston.
The train line passing through Harvard University is known as the Red Line -hence the color red for signboards at train stops. Others around Boston include the Green line, Orange, Blue line. The train network is known as the subway in Massachusetts. More on the Red Line at: http://en.wikipedia.org/wiki/Red_Line_(MBTA)