有些石头已经倒下，另外有些被取走用以建筑房屋或修缮农庄的道路；此外，几百年来，前来游览的观光客也加重了其受损的程度。

Some of the stones have fallen down, others have been carried away to be used for building or to repair farm tracks and over centuries visitors have added their damage too.

youdao

游览历史步道是观光客不可错过的一件事，特别是波士顿市民公园(一座市立公园)和道路仍铺着17世纪原始石头的比肯山。

Historic walking Tours are a must for the tourist, especially Boston Commons, a city park, and Beacon Hill, with its roads still paved with the original stones from the 17th century.

youdao

游览历史步道是观光客不可错过的一件事，特别是波士顿市民公园(一座市立公园)和道路仍铺着17世纪原始石头的比肯山。

Historic walking Tours are a must for the tourist, especially Boston Commons, a city park, and Beacon Hill, with its roads still paved with the original stones from the 17th century.

youdao