Prompt: Tourists come to a famous spot, such as the Eiffel Tower. During the day, they sit in a sightseeing wheeled robot that can admire the magnificent building and enjoy the beautiful scenery around it. The robot will accompany the tourists on the tour, provide explanations according to the needs and interests of the tourists, explain the historical and cultural background of the building, and introduce the characteristics of the building. Visitors can take pictures at any time and ask the robot questions to learn more about the tower