Tajikistan. Landscapes of the mountains. Valley of the Zeravshan River. Zeravshan river. Mount Dorevarz. The Zeravshan River blocked by a landslide. The dried-up river bed, formed as a result of the blockage. Lake. Inundation zone. The headquarters of the emergency state commission at work. Among the members of the headquarters: I. T. Novikov, academicians Mavlyanov, Fedorov, D. Rasulov, Rashidov, Ya.S. Nasriddinova and others. Construction of a bypass channel, dams. Evacuation of the residents of the village of Aini. Imploding works. The movement of water along the old bed of the Zeravshan River.