Traditional Culture Encyclopedia - Photography and portraiture - Who knows the method of restoring ancient ways to old walls?

Who knows the method of restoring ancient ways to old walls?

1. Apply half-cooked gypsum mud to determine where it is thick and slippery. Hang it all night. 2. White latex twice. Both times need to wait to dry. 3. Paint with 75-release yellow once, dip the paint with a sponge, and then apply it to the wall. Push hard, just like cleaning the wall. Let the first yellow paint dry thoroughly and repeat it. 3.