Concrete - that well known building material renowned generally for being cold and grey and generally, well, solid.

But all sorts of great techniques and technologies are beginning to come through that challenge those ideas.

For a start there is colouring concrete - either by adding a dye to the mix or by acid staining it.

Challenging traditional notions further, how about concrete that can heat up also here

And perhaps for the maddest of all … concrete that allows light through