The following is a possible concise summary of the text:
The text is a transcript of a video where a group of ghost hunters explore the ancient ram inn, a haunted building in England with a history of witchcraft, sacrifice and murder. They experience some paranormal activity, such as a door opening by itself, a voice saying "yes" on a recorder, and an object being thrown at one of them. The narrator, who was skeptical of ghosts before, says that the incident has challenged his beliefs and that there must be something in the ram inn that is not human.
Here are some possible key facts extracted from the text:
1. The text is a transcript of a video about a ghost hunting investigation at the ancient ram inn in Gloucestershire, England.
2. The ancient ram inn is one of the oldest buildings in the UK, built in the early 1100s, and has a history of witchcraft, sacrificial murders, and paranormal activity.
3. The investigators experienced some phenomena during their stay, such as a door opening by itself, a voice saying "yes" on a recorder, and an object being thrown at one of them.
4. The main narrator claims that the experience changed his perspective on the existence of ghosts or something beyond the natural world.