I le taimi o lana uluaʻi faaaliga a le tagata lava ia (1966) i Ústí nad Orlicí, na faʻaalia ai e Zbyšek Sion o ia o se atavali o ni mea ofoofogia ma ni vaaiga faʻafuaseʻi ("The Fall of the Tower", 1966). Ina ua mavae le osofaʻiga o Aokuso 1968
o ulutala o ata vali a Siona na avea ma molimau manino i ona lagona ("Trayerous Friend", 1968; "Uninvited Guest", 1968; "Situation <unk> How to Make Behave with a Stick", 1969; "Fugitive", 1969). O nisi o ata e lua ona itu ma e faia i le tele o vaega o vali ("Portrait of Young Lady D.", 1968).