How might cultural exchange programs affect the global perception of different countries and their citizens?

Cultural exchange programs can change our perceptions of different countries because we often only hear about those nations on TV or the internet. We don't have the chance to come into contact with them. So our perceptions and views about them are based on the opinions of others. But when we participate in exchange programs, [...]

I think cultural exchange programs are very important because we share our cultural information and different languages, for example. It affects many aspects positively, and people learn different languages.