Crystal #1 
stainless steel  size75×75cm  2018 photo by Ken Kato ©Kenjiro Nagata
Crystal #2
stainless steel  size30×30cm  2018 photo by Ken Kato ©Kenjiro Nagata

Crystal #3

stainless steel  size30×30cm  2019 photo by Ken Kato ©Kenjiro Nagata
Crystal #4
stainless steel  size30×30cm  2019 photo by Ken Kato ©Kenjiro Nagata