Not exactly architecture @trishclancy but when we moved here 12 years ago the previous occupier had a light weight rail track the full length of the garden. He took the track with him and left us the structure, we moved approximately 15000 bricks which are now home to lots of lizards and other insects. The bricks are slowly being covered being vinca.
I found some info, easy pleasant read: http://digital-photography-school.com/minimalist-photography-4-tips-to-keep-it-simple-with-a-maximum-impact/
Hope this is fine for you. Good luck! And I'm looking forward to see your picture(s).
Your challenge this week is macro insects, thought your boys would be a good help in finding them!
Hope this is ok and good luck to you too!