Reason: A pool is not always visible when characters are otherwise obviously located poolside.
Examples: post #8920, post #16040, post #27496, post #239440, post #515620, post #556484, post #686026, post #718810, post #751422, post #777465, post #794806, post #912382, post #1047903, post #1272095 (and post #685161), post #1238532, post #1299321
Borderline cases (you can see the side/edge of the pool but not the water): post #134448, post #146389, post #188667, post #332079, post #860373, post #868399, post #1259851, post #1459980
Deleted examples (for completion): post #16034, post #697439, post #1236161
Updated