Stadium tours or something similar?

https://www.cafc.co.uk/news/view/5de801fa666d7/second-chance-for-behind-the-scenes-christmas-stadium-tour

I did the stadium tour today,well worth the £12.00[with Valley Gold discount],it included a look round the refurbished home changing room,sat in the dug-outs,lifted up the play-off trophy & toured parts of the ground including media centre & boardroom.

https://www.charltonafc.com/news/go-behind-scenes-valley