Yamamoto’s works are mostly temporary, intricate, large-scale installations, or, “salt labyrinths”.
"Salt, a traditional symbol for purification and mourning in Japanese culture, is used in funeral rituals and by sumo wrestlers before matches. It is frequently placed in small piles at the entrance to restaurants and other businesses to ward off evil spirits and to attract benevolent ones.
Yamamoto forged a connection to the substance while mourning the death of his sister at the age of twenty-four from brain cancer, and began to create art out of salt in an effort to preserve his memories of her.
His art radiates an intense beauty and tranquility, but also conveys something ineffable, painful, and endless.”
“Drawing a labyrinth with salt is like following a trace of my memory. Memories seem to change and vanish as time goes by; however, what I seek is to capture a frozen moment that cannot be attained through pictures or writings. What I look for at the end of the act of drawing could be a feeling of touching a precious memory.”