In 1965, Kusama erected the first of her now-famous immersive environments. Infinity Mirror Room – Phalli’s Field (Floor Show) fused her interests in repetition, sexual exploration, psychology, and perception by filling a roughly 25-square-meter mirrored room with a thick carpet of soft, twisting phalluses camouflaged in the artist’s signature polka dots.
Source: 6 Works That Explain Yayoi Kusama’s Rise to Art World Stardom