de¡¤veloping/en-¡¤veloping ¢º de¡¤veloping ¢º round operation   
round operation 1997-99
round operation
1999
steel, spraied lacquer
240¡¿240¡¿240cm
round operation
1998
hardboard
25¡¿25¡¿25cm
  round operation
1997
stainless steel
120¡¿40¡¿60cm each