«Undune», RÄTZEL Dennis, Германия, 2015, док., 83 мин.

1 мая в 18.00 «Мираж Синема» в Петрозаводске ТРЦ «Макси»
Петрозаводск, пр. Ленина, 14

Показ фильма при сотрудничестве с Фестивалем Международного экологического кино ЭкоЧашка

Undune is a documentary about Terra Preta, Toilets and Mars.

Terra Preta is a fertile, water storing black soil that can be created out of all types of organic waste including our feces. Yes, feces, they’re inevitable, and when we flush them away, we are wasting our waste while contaminating valuable drinking water.

In Undune, the knowledge about Terra Preta is discovered by Gregor: he wants to support the colonization of Mars and identifies the cycle of nutrients and water as the main challenge. Through conversations with Terra Preta pioneers and small experiments, he develops a system to make human feces and other organic material usable on a mars base. Gregors daydreams about an alien space explorer bring the perspective down to Earth, where Gregors dialog partners see the largest potential for Terra Preta.

At the end, there remains just one question: Is there such a thing as useless shit?


Terra preta is the most fertile soil on this earth. Unfortunately, for a long time, it was well hidden in the tropical rainforest of the Amazon. But, thanks to the work of many inexhaustible researchers, we now know its origin: Over centuries, the people of the Amazon mixed their excrement with charcoal and fermented the mixture hermetically. After the fermentation, earth worms transformed the waste into soil, thus replacing the meagre tropical soil with a permanently fertile soil.

There have already been several documentary films on the topic of terra preta, but, up to now, no one had dared to produce a film that touches on the importance of excrement for terra preta! There is a social taboo surrounding this aspect, one that we intend to flush far into the off-stream. Normally it is the mainstream that is shit! In Undune, we deal explicitly with Terra preta toilets breaking with the taboo. This and the environmental scope of the topic made Undune particularly interesting for me.

Dennis Raetzel studied physics at the University of Potsdam and did his PhD in the overlap of Relativity and Quantum Physics at the Albert Einstein Institut in Golm. During his PhD, he started to produce his first own short films and became quickly involved in the
vivid independent film scene of Berlin. After finishing his PhD, he started the production of his first feature length documentary, Undune, which he finished in 2015.
His short films “Light Warriors”(2012) and “Der notleidende Banker”(2013) were screened in several film festival in Europe.


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