This is the painting of Four Horsemen of the Apocalypse (Russian: "Воины Апокалипсиса") is an 1887 painting by Russian artist Viktor Vasnetsov. They represent Pestilence, War (Social Unrest), Famine (Poverty) followed by death.
This is based on Revelations 6 from the Bible. Human kind be wise don't get fooled by enemy of the humanity, Turn back from evil and God will turn back to you.