The image is a photograph of a plaque on the wall of a building. The plaque is rectangular in shape and has a beige background with black text. The text reads "Group V Trip by Horse and Cart - Bricks with Paintings of Horses and Carts". Below the text, there is a description of the trip, which states that in the Han Dynasty, the principal means of transport were horses and carts. As a result, horses and cart were the most popular subjects of the paintings at that time. From the paintings of the trips by horses, carts on the bricks of Sichuan, we can see the horse and cart system and the reception etiquette of that time and the earliest bridges of China with high technology content.