Painters also have their own uniqueness in the treatment of space and distance method. He skillfully and accurately used the perspective method, focusing all the perspectives on Jesus' head, making him a central figure in managing the overall situation; At the same time, Leonardo da Vinci skillfully expanded the space of murals. From a distance, the whole picture feels far away. You can see the beautiful night view of Jerusalem from the window behind Jesus. Experts believe that the painter painted with the landscape of his hometown Florence. In addition, Leonardo also correctly applied the perspective principle, and drew The Last Supper on the upper part of the dining room wall, so that the horizontal line coincided with the characters and tables in the painting. Therefore, the audience who entered the canteen had a visual and psychological illusion, as if they had attended the dinner hosted by Jesus and his disciples, as if they were there and heard their voices.

I hope it helps you.