Sergey Prokudin-Gorsky

Dome of the Gur-Emir mosque from eastern side. SamarkandDome of the Gur-Emir mosque from eastern side. Samarkand

Medium: 1 negative (3 frames); glass, b&w, three-color separation; 24 x 9 cm.

Source: https://www.loc.gov/pictures/item/2018680185/