Subtitled in German9:24Comment construire et rénover durable?Translated by Emma HelmReviewed by Andrea Hielscher
Subtitled in German7:51El Poder de tu VozJulio Cesar MejiaTranslated by Emma HelmReviewed by Angelika Lueckert Leon
Subtitled in German4:48What makes a language... a language?Martin HilpertTranslated by Emma HelmReviewed by Angelika Lueckert Leon
