Big Dig construction in Boston (Massachusetts, USA): tearing down or razing the old elevated highway to create new parks and green spaces in the city, Central Artery is now a tunnel under the city

Northend of Boston as seen at sunrise from over Boston Harbor. Note the old Central Artery cutting the North End off from the city, now buried in the Big Dig tunnel. Boston, Massachusetts. USA.

Boston at sunrise, with the old Central Artery (in foreground) prior to it´s being replaced by the Big Dig tunnel. Charles River and Cambridge in background, right. Boston, Massachusetts. USA.