For example, I took a trip to Angel Island in San Francisco when I was in high school. I visited the Angel Island Immigration Station, which is a former processing center for immigrants entering the United States. In the building there are rooms with bunk beds. I saw objects that immigrants used to use and read the poems they wrote on the wall. There are classes and activity rooms inside the building for immigrants. It's a nice building with a beautiful environment. From what I saw, I thought Angel Island was a nice place for immigrants to stay before their immigration status was processed. Later, when I searched online for the immigration station, I discovered that Angel Island was almost like a prison for immigrants. Immigrants were not allowed to move freely within the building. Immigrants were subject to many restrictions and harsh treatment. When I think of Angel Island now, I think of it as a horrible place for former immigrants despite the beautiful surroundings I saw. Even though the memory of the actual observation may be remembered correctly, we tend to distort our memory with the suggested information. External factors can affect our credibility regarding our own memory and thus cause the memory to become