Gallery 

CIBSE Guide H: Building Control Systems might not be the most dog-eared guide on the shelf, but don’t let that fool you, its content packs a serious punch.

Now, picture this: someone (let’s call him our very dedicated Scottish director) went through the entire guide, counted how often every word appeared, parsed it for boring ones like "the" and "and", and turned the rest into a word cloud — where the most-used terms shout the loudest.

The result? A gloriously nerdy tribute to one of the most underrated guides in the building services world.

This pneumatic valve is not a museum piece, by virtue of the fact that is still in operation on site in Glasgow. For all the wonders of modern tech allowing electronic control, micro-bore pipework filled with compressed air, (nicely installed, too), is a marvellous example of mechanical engineering.

The ancient insulation wasn't doing much, though!  

The thousands of tonnes of steel used to make this scaffolding frame allowed conservation experts to clean the writing at the top of the dome.

The 2 foot tall words can be read by those attending their graduation from the University of Edinburgh at McEwan Hall.

A housing association building some massive towers. It's a single street in the Sau Mau Ping district. 18000 apartments in 22 blocks, being built simultaneously, is quite a scene!