Silo at sunset

I love industrial, and these Silos on farmland near where my daughter works, sitting in a neat half circle look especially good in the developing sunset. I did photograph them a couple of days ago, when the sunset was much better and the skies blood red, but I had something else to blip that day, and Sod's law the sunset wasn't nearly so good tonight.
My daughter tells me they have been converted into storage units, and no longer store grain - doesn't stop them being photogenic though!
I think 'Industrial' might be a good project for autumn into winter, what do you think?