This bathroom has been dubbed the most extreme toilet in the world perched on a cliff 8,530 feet above sea level in Siberia. (Alex Bradbury/Caters News Agency)

Eight thousand five hundred and thirty feet above sea level in Siberia, perched on a cliff in the Altai Mountains, is a bathroom that has been dubbed the world’s most extreme toilet.

So who exactly needs to use this toilet located in the middle of nowhere? The remote bathroom serves a team of five at a weather station called Kara-Tyurek, which means Black Heart in the local South Altayan language.

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The Black Heart station is visited in the fall by a helicopter that delivers food, water and wood because the region has no trees. A postman also visits the station once a month to collect their weather data.

The Altai Mountains form the major mountain range in western Siberia. The range is a and is also home to the snow leopard, which is endangered.

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