How long and wide is the original picture of Riverside Scene at Qingming Festival?

The Riverside Scene at Qingming Festival is one of the top ten famous paintings handed down by China. It's a genre painting of the Northern Song Dynasty. This is the only surviving masterpiece of Northern Song Dynasty painter Zhang Zeduan. It is a national treasure, which is now in the Palace Museum in Beijing.

The Riverside Scene at Qingming Festival is 25.2 cm wide and 525 cm long, and it is in silk color. In the form of a long scroll, the work vividly records the city appearance of Bianjing, China in the 12th century in the Northern Song Dynasty and the living conditions of people from all walks of life in the Han society at that time. Describing the prosperity of Tomb-Sweeping Day at that time is a witness to the prosperity of Bianjing at that time, and also a portrayal of the urban economic situation in the Northern Song Dynasty.