Preservation of the historical urban environment authenticity by means of design technology

The article considers problems of preservation of a historical urban environment authenticity. World experience in the solution of objectives is studied. The example of the Florentine architectural school helps to identify methods of preservation of a historical image of the city. Examples of educational tasks for students of architectural institute of Florence are presented in the article, directed on development of the coloristic scenario of the Italian cities, the streets and architectural objects with careful studying of details and fragments, forming facades of buildings. In research illustrations to the educational tasks performed at the international seminar in Florence "Symbiosis of arts in an urban environment" in November, 2013 students of the Krakow architectural institute and the Samara state university of architecture and civil engineering are presented.