a. Lena: Yes, and they learn to be more self-reliant when they’re far from home and their families.

b. Bill: I think you can gain knowledge about architecture, history and things like that.

c. Bill: Exactly. What do you think about this kind of adventure holiday in the mountains? I think it offers young people thrilling experiences and adventures that they normally don’t have in daily life.

d. Lena: How do you think going on a sightseeing trip around a city can benefit students?

e. Lena: Yes, and you can also travel to a completely different place and discover other cultures.