id	keyword
ccsj-415	polaroid
ccsj-415	prints
ccsj-415	color
ccsj-415	20×24
ccsj-415	light
ccsj-415	generations
ccsj-415	stability
ccsj-415	institute
ccsj-415	materials
ccsj-415	image
ccsj-415	conservation
ccsj-415	structure
ccsj-415	layer