You Could Drive a Coach and Horses Round the Top?

Bradford's Listers Mill is enormous, and an unmissable feature of the city's skyline.   This is an amazing and vertiginous video of a drone inspection of its chimney - about which it used to be said you could drive a coach and horses round the top.   Apparently not on this evidence:

https://youtu.be/CJcY82UH2JQ

What has this got to do with this Blog?   Answer - the metal clad pods on top of the mill's main building were made by Commercial Systems International of Hull - the people who made our roof room.  Here they are, from a section of the video:

https://youtu.be/CJcY82UH2JQ?t=261

click to enlarge