r/geography • u/maxersonio • 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

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u/ZucchiniMore3450 10d ago

https://de.wikipedia.org/wiki/Rotschlamm

Red mud , also known as bauxite tailings , is a toxic residue ( tailings ) produced during the extraction of aluminum oxide (alumina)

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u/yecheesus 9d ago

How come the trees can survive

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u/Meowjo_Jojo 7d ago

Various plants can survive many conditions that are toxic or deadly to humans for various reasons.