The feedback from our pitch made us rethink our choice of environment. We initially went with an outdoor setting in the forest to symbolize the "church" and Religion, being natural and pure. However, we were lead onto a more obvious choice as to set our scene.. In an actual Church.
This made sense for a number of reasons, to show the Religious element there isn't really a better way than to use the house of God, and the eaves of the church can be visually quite amazing, as the view from above looking down on the seats and the altar can be portrayed very well.
Before I start painting concepts, I put together this influence map ti help me visualize the style of a 15th Century style church with the huge stained glass windows and high ceilings.