If the people of the United States come to Iran and see its ancient history and nature of Iran, and the people of Iran go to the United States to see America, this can shorten the walls of mistrust and improve the situation for the future.
We have this huge, massive information, but what is it that matters? What doesn't matter? What makes sense, what doesn't make sense? You have to have a framework for understanding and of interpretation in order to make use of the information.