Exaggerated & stylized mime, exaggerated facial expressions, externalising emotions, physicalisation of objects, third person address, rhythm through voice and body, abstract use of voice and ensemble playing. :)
You need to look at his influenes. He has them in "Noh Theatre", Meyerholds "Biomechanics, Jaques le coq, Mime, "Kabuki Theatre". I don't know why but he creates cultural pieces and he is a very...