A possible concise summary is:
The video shows the attempts of a mother and her son to open a large metal safe that contains 50,000 rubles. They use various tools, such as hammers, drills, saws, liquid nitrogen, and a welding machine, but none of them work effectively. They finally manage to open the safe with a huge crowbar, but the money inside is burned. They warn the viewers not to repeat what they did and say that the video is only for entertainment.
Here are the key facts extracted from the text:
1. A video was made to attempt opening a large metal safe containing 50,000 rubles.
2. Various tools were used including a regular hammer, a hacksaw for metal, a professional hammer drill, and liquid nitrogen.
3. The video was created solely for entertainment purposes.
4. The safe was ultimately opened after various methods were tried.
5. Liquid nitrogen was used in an attempt to make the safe brittle.
6. A welder was called to burn a hole into the safe.
7. The money inside the safe burned during the process.
8. The main goal of opening the safe was achieved.
Please note that these are factual points extracted from the provided text and do not include any opinions or interpretations.