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NEW!!!  YouTube Channel - September 2021  "Permatecture - Architekt Jens Kalkhof"          Downloadbereich für Seminare und Workshops:  download area for seminars and workshops:                   Seminar and Conference Belgium - Autumn 2017           Seminar and Conference Spain - Autumn 2016

"Reindlhof" Österreich "Reindlhof" Austria