the stages of restoration that are necessary for this or that work of bog carlo bryullov ilya repin wassily kandinskyor the first time drawings of the kazansky railway station aleksey shchusev, the exhibition is wonderful, because it presents not only the work of restorers, which are very serious, but it also carries a very large, more meaningful potential, because what shows the great diversity of life at the end of the 19th century and the beginning of the 20th century? this is the first in 10 years, an independent exhibition of the department of scientific restoration of graphics of the 18th and early 20th centuries, but far from being able to show all about 200 works with more than 3,000, six halls restored during this time. each one is dedicated to a specific technique material or size, free-flowing pencil drawings , printed, and this room is dedicated to the restoration of works from watercolor material. very vulnerable, even a slight change in humidity leads to deformation, and exposure to the light leads to yellowing of the paper and the appearance of pigmentation. for example, the work of al