"You can imagine similar kinds of interactive activities along historical lines, like following the Freedom Trail in Boston," Professor Dede said.

“你可以想象类似的互动活动沿着历史的轨迹进行，比如追随波士顿的自由之路。”Dede 教授说。

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Our children walked the Freedom Trail, visited the site of the Boston Tea Party and the graves of several great pioneers of America.

我们的孩子们走过了自由之路，参观了波士顿倾茶事件发生地和美国几位伟大先行者的坟墓。

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Dietzel studied history in college, and on weekends he gives tours of the Freedom Trail, in Boston.

NEWYORKER: Battleground America

The historic marketplaces of Faneuil Hall and Quincy Market, and Boston Common (America's oldest public park and the starting point of Boston's Freedom Trail) are all within walking distance.

BBC: Business trip: Boston