The environmental film tells about the problems of air and water pollution, how it is possible to change the situation with the help of modern technologies.
Cars on the night highway.
Panorama of the residential area of the city.
Sewage treatment plants.
Silt remaining after water purification.
The dying river.
The enterprise "Nevsky line" for the processing of biological waste.
Chronicle:Large megacities(New York, Tokyo.)
Adaptive ignition system.
The internal structure of the machine.
Device data is displayed on the monitor.
Cars are on the street.
The flow of cars on the expressway.
A broken road with patches of asphalt and pits.
L. A. Yutkin, who invented and tested the "eternal road" made of crushed stone in 1952..
Yutkin's experience (chronicle).
A pilot road section built near Minsk using Yutkin technology.
Locations: St. Petersburg 
Seasons: Summer