For my coursework i have to do "An investigation of change over time in a Geographical pattern or feature, seeking explanation for that change." I've already told all 3 of my geography teachers that i'm going to do "How and why shopping patterns vary over the course of a day at a named out-of-town shopping centre" but now i'm having doubts over whether i want to do this or not, as it is very simple and similar to what i did for GCSE (for which i got full marks), so maybe i should choose something else. I definitely want to do something human...any ideas?