"The hardest part was getting the final color and texture of the originals to come through in the reproductions." Cheng relates that in this regard there were some factors he could manipulate, but others that were beyond his control.
「作品要呈現出古物最後的色澤與質感，是極度困難的，」他指出，這其中，有他能掌握的，也有他無法控制的。