What does the light box advertisement of Riverside Scene at Qingming Festival show?

The time limit of urban trade has been broken. On the riverside in Qingming Festival, red gardenia lanterns are usually hung at the entrance of hotels, and the appearance of light box advertisements reflects that the time limit of urban trade has been broken. The Riverside Scene at Qingming Festival is one of the top ten famous paintings handed down by China. It is a genre painting of the Northern Song Dynasty and the only masterpiece that Zhang Zeduan, a painter of the Northern Song Dynasty, has ever seen. This is a national treasure, which is now in the Palace Museum in Beijing.