Given how many historical photos are video are shot in black and white, many of us can forget that the past was also in full color – we just don't get to see it. However, these photos of Russia in the beginning of the 20th century by photographer Sergey Prokudin-Gorsky give us a rare glimpse into the past in full and glorious color. Color photography, in the way that we understand it, was not possible at the time, but it was possible to create a color image for the viewer by completing three separate photographs.