Land of the Tzars in colour: Fascinating photographs show the people and places of pre-revolutionary Russia
- Colour photographs from one of Russia’s most famous photographers, Sergey Prokudin-Gorsky
- Tsar Nicholas II commissioned him with taking photographs after being impressed by a colour portrait of Tolstoy
- The pictures, from the early 1900s, show Russia on the brink of the First World War and on the cusp of revolution