Ответ: The Tretyakov Gallery.The Tretyakov Gallery is situated in Moscow. It’s one  of the most famous galleries in Russia. It has two buildings: the old one and a new modern building. The gallery is named after its founder Pavel Mikhailovich Tretyakov who began to collect paintings of Russian painters «Peredvizhniki» in 1856. This gallery and collections were nationalized in 1918. You саn see there real masterpieces by Repin, Perov,  Shishkin, Surikov, Kramskoy, Aivazovsky, Levitan and other Russian painters. The famous Andrei Rublyov’s icons reflect the life and soul of Russian people. The Gallery has many new exhibitions now. Every year the Gallery acquires hundreds of new paintings, drawings and sculptures.Today you can see the works of the painters of the 20th century there.