woah.. I've been there.. 3 years ago
I remember it exactly, we just walked through the park in Greenwich and visited the time-line (you know.. the GMT time line that divides the earth in half) and after that we went to that church! I remember my uncle left his bag somewhere and they almost made trouble of that cause the London tube had just been bombed.
/random/
But it's a really, really nice church! I had no idea it was so famous! First Tomb Raider, now Ayu. amazing.