See Inside the Last British Heavy Tank | Conqueror | Tank Chats Reloaded

From a channel Lumen includes in full: The Tank Museum at Bovington uses its own collection and archive in curator-led tank chats and documentaries on armoured vehicle design, development and combat history.

A 23-minute video from The Tank Museum's catalogue; the title names its topic.

Video by The Tank Museum, played through YouTube's embedded player.