Not sure how the 'flag' system works but based on the two examples (famous news photo and famous work of art), you could easily circumvent wrong flagging (wrong

Not sure how the 'flag' system works but based on the two examples (famous news photo and famous work of art), you could easily circumvent wrong flagging (wrong = deleting famous and important photos) by generating a 'similar photo search' in the system and giving context. That would help the over-ambitious flagger to recognize this.