This space where I'm stood for this one was previously the dimly-lit floor of the Hoval commercial boiler factory, under its final incarnation. It was probably the tallest industrial building in Lincoln. I remember being scared working my way up the metal staircase to the walkways where the hoist operators were stationed. (Amongst many nervousnesses, fear of heights is one.) But mostly I remember an afternoon exhilarated making hundreds of pans of the rows of rooflights above and feeling entranced looking up and the extensive window structures. It felt like being in a cathedral, but an historic, obsolete entity that would leave no legacy. Then a lorry or some large-engined deisel vehicle came and pulled up outside and I could here some guys talking above the sound of the engine and expected at any moment to be busted. So I was hurrying to take more and more pictures of the rooflights in those final minutes... and those men never came in, eventually driving away around the back of