A taste of the U.S.

During the summit between the presidents of China and the U.S. in San Francisco last November, both sides agreed to promote people-to-people exchanges. Chinese President Xi Jinping extended an invitation for 50,000 U.S. students to visit the country over the next five years. Since then, groups of U.S. students have made the trip. More Chinese students are also getting the opportunity to see America for themselves, including a group from Beijing Foreign Studies University. But some members of the delegation had to go through hours of interrogation at U.S. customs. This came after the Chinese Ambassador to the U.S. had protested over mistreatment of Chinese students with valid visas upon entry into the U.S. What has been the experience of the delegation from Beijing Foreign Studies University? What have they learned about the U.S. and bilateral ties?