Hello from Nanjing, China. Risks and crisis exist everywhere, so what we need to do is to lower the risk and enjoy the process. The so-called cultural barrier results from the lack of sincerity and honesty among people. Communication is based on trust. Couchsurfing offers me another way to experience the world. The most important thing in life is to have your own brilliance, not caring much about others' opinion. I believe the world will become better with everyone's effort. Harmonious World.