2 Ergebnisse für: 243.235
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NVA - Großer Wachaufzug in Berlin - YouTube
https://www.youtube.com/watch?v=EUiQgZ7f820
Großer Wachaufzug an jedem Mittwoch in Berlin. Hauptstadt der DDR
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Terra Preta Sanitation - Container Toilet with Lactic Acid Fermentation - YouTube
https://www.youtube.com/watch?v=w_R09cYq6ys
The sanitation problem is basically solved. For just a few cents per person and day toilets can be installed almost everywehre - however, it will require a c...