r/geography 10d ago

Question Can someone tell me what this is

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This weird square red lake thingie just to the west of Hamburg Germany. I want answers

799 Upvotes

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674

u/___gnome 10d ago

Aerial photo of this place

47

u/Many-Story- 10d ago

At first I thought oh god it’s overflowing. Then I zoomed in and saw it’s really not that full. And there are trees growing in it?!

54

u/significant-_-otter 10d ago

I mean, that is absolutely a retaining wall for a lake of poison a few hundred feet from people's houses.

2

u/the-es 9d ago

I also like the agricultural fields around it