Faatumu le fuaiupu lenei:
Warsaw Pact osofaʻiga o Czechoslovakia i le 1968, o ata a Pištěk e pei o sini ma pu o pulu, ma o latou tuʻufaʻatasiga na faʻamamafaina e le faʻaaogaina o poloka lanu monochromatic ("Aokuso Ata I<unk>III", 1968<unk>1969). O lana faasologa o ata i le vaitusi ma le nitrocellulose lacquer na faʻaauau pea seʻia oʻo i le amataga o le 1970s ("View Inside", 1970; "Half-Life", 1970) ma na sosoʻo ai ma lanu lanu o foliga geometrical ("Reflection", 1971) ma tamaʻi ata vali suauʻu lea na faʻaleagaina ai le faʻasologa o poloka lanu e tamaʻi faʻaletonu ("Fall", 1973; "House", 1973). Na ia toe foʻi mai i ata vali monochrome i le vaitusi ma le nitrocellulose lacquer i le amataga o le 1980s i le tuʻufaʻatasia o le tusiata fale faʻataʻitaʻi ("O fea o le a ou ola ai", 1982), lea na mulimuli ane avea ma labyrinths tolu-itu ("Aai", 1997).