interior of a large, modern convention center with a high ceiling and a polished marble floor

interior of a large, modern convention center with a high ceiling and a polished marble floor. The location is the Hangzhou International Expo Center in Hangzhou, China, based on the provided coordinates. Several people are walking through the entrance area. A woman pushes a large black trash can, while a man in a white shirt and a red graphic tee walks toward the camera. There are numerous black stanchions set up, along with large, colorful signs and banners advertising "AUTO HANGZHOU 2023." The environment is clean and well-lit with fluorescent lights.