A possible concise summary is:
The video is about two explorers who visit an abandoned mental hospital in Italy, where they encounter a mysterious woman who lives there and claims to have seen ghosts. They also try to enter the underground tunnels, but they are blocked by water. They document their experience with a camera and share their impressions and fears.
Some possible facts extracted from the text are:
1. The text is a transcript of a video about exploring an abandoned mental hospital in Mombello, Italy.
2. The video was made by two people who call themselves C and Ale.
3. The hospital was opened in 1872 and closed in 1978, and it is considered one of the 10 scariest places in the world.
4. The explorers encountered a woman named Gabri who lives inside the hospital and makes fire with wood.
5. The explorers also found a lot of shoes, clothes, mattresses, medical records, and other items left behind by the patients and staff.
6. The explorers tried to go down to the underground tunnels, but they were blocked by water and had to give up.