ɪn tˈuː θˈaʊzənd twˈɛlv ðeɪ stˈɑːɹɾᵻd pɹədˈuːsɪŋ tˈɛɹə pɹˈɛɾə ɪnðə bˈeɪsmənt baɪ fˈɪltɚɹɪŋ ðɪ ˈɛkskɹɪmənt ænd mˈɪksɪŋ ɪt wɪð tʃˈɑːɹkoʊl ænd mˈaɪkɹoʊbz.
In 2012 they started producing Terra Preta in the basement by filtering the excrement and mixing it with charcoal and microbes.