At the beginning of July, I was a staff member for a high school program. We took a group of students out onto Fujimae Tidal Flat. When we got to the flat, I could see something pink far away in the mud. I started walking toward it. I got closer, and I saw that it was a small suitcase. It was open, and there was hardly anything inside. I knew that it had been in the sea for a long time because the top was covered with barnacles. However, I didn’t know anything else. There was no name on it. Who did it belong to? Where did it come from? How did it get into the sea? (117 words)