All these photos were taken by a unique method talented chemist Prokudin-Gorsky,
who invented the method for such amazing color slides.
To achieve the effect of full color, he did the same picture three times,
passing it through a red, green and blue color filters.
To play a color picture on the projector, it is inserted into the projector immediately three identical
Pictures taken in different color filters, which gave the effect of such a full color photographs.
Even I do not believe that many of these color photographs were made 100 years ago,
because even 30-40 years ago color images were quite rare.
Be sure to look further.