An example of culture exchange is a pen pal relationship between a person from the United States and a person from Mexico. The two people can learn about each other's cultures by exchanging letters, emails, or video messages. They can share stories about their daily lives, their families and friends, their hobbies and interests. They can also learn about each other's countries, including their history, geography, and music. This type of cultural exchange can help people to understand and appreciate each other's cultures, and can also help to build friendships and bridges between different countries.