真难想象，去上学竟要徒步走20英里路。

It's hard to imagine having to walk 20 miles to go to school.

很多人喜欢徒步走，因为他们觉得这样能真正接触到大自然。

Many people love hiking because they think they can really get in touch with nature.

周五，它又回来了，而且正赶上了这次徒步走募捐活动。

But returned again Friday, just in time for the walk-a-thon.