
NEW TRENDS IN WATER TREATMENT AND DRINKING WATER SUPPLY SYSTEMS
Do you dare spend a frosty night in a tent at 1 751 m above sea level?
You know it. The temperature outside is well below zero, even lower at mountain heights. However, a group of enthusiastic high-altitude tourists need to sleep. They dig pits, set up tents, set off a gas bomb to make tea, have a piece of instant food, and experience a night they just won't forget. Screenplay of many adrenaline films of foreign production ...