It also had a competitiveness to it by using a points system in photos, it was quite clever and it rated photos based on a wide set of criteria, including pose, framing, you'd get multipliers for having groups on the frame, it was quite unique for its time.
I loved that game, I'm glad they are coming out with a sequel but I outgrew Pokemon as the newer generations came and I am probably not as interested in the sequel, might try it out for the nostalgia factor.
Pokemon Snap is truly a testament to Nintendo's creativity in coming up with innovative gameplay, it leveraged their new 3D system in a cool way back then.