When I was 12 years old. I went to the Bhumibhol dam with my family. I was so excited. It is the first time I've float raft downstream. We went to the dam at about 8 o'clock. An officer to take us to a raft. On a raft with a bedroom, bathroom and more. When evening me and my parents out to dinner at restaurant. Ionosphere surrounded by mountains. When the sunset. The sky began to darken. I see so many stars in the sky. It is very beautiful. I remember the night I was very happy.