How to find a good British Youtube channel?

I usually watch the videos of the Youtube channel of "The Economist", which is excellent for learning English as there are a lot of videos in various subjects. Plus, according to the channel info, it is a UK channel and because of the household name, I think The Economist is a authentic and reliable channel. Furthermore, it provides the views with English subtitles for most of their videos. Therefore, I would really appreciate it, if someone could recommend any other Youtube channels similar to this to learn British accent.

In actual fact, I know a number of British Youtube channels for English learners. But the thing is they are deliberately reduce their speaking speed and pronounce words clearly which you cannot find in real conversations. Thus, though I can understand what they are saying without difficulty, sometimes I find it hard to understand some fast native speakers. That's why I need some resources to improve my listening skills.