IMHO - There are some scenes that seem pretty self explainatory.
I think this is kind of one of them.
Is there a backstory that is going to make this scene anymore scary too you?
For me....I don't think I need to know the sad story behind this.
It is certainly a scary scene and without words a sad commentary on something that unfortunately happens in reality.
No backstory necessary for me!
The idea a little sick and demented maybe- but Great presentation and photo's

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Today the Pond. Tomorrow The World!
All this has Happened Before and will Happen Again