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In the heart of Antarctica, nature creates an incredible sight: a red waterfall cascading through the perennial ice of the Taylor Glacier. This phenomenon, known as Blood Falls, is even more fascinating than it seems. Its intense color is not only due to oxidized iron but also to tiny iron-rich spheres created by tiny bacteria living in a salt lake hidden beneath a glacier. When this water reaches the surface and encounters oxygen, it takes on such an intense red hue that it seems unreal in the Antarctic landscape. The waterfall continues to flow even at sub-zero temperatures, creating a unique spectacle where science and beauty converge in a natural masterpiece. And to think that this incredible ecosystem could provide us with clues about possible life forms on other planets, such as Mars. Nature always surprises us and knows how to surpass our imagination! Credits: UM TONHO/TONHA (Elías Sakkis)