Answer:

frescoes

AnswerCrossword Clue
FRESCOESPaintings on plaster
FRESCOESSistine Chapel features
FRESCOESSome works by Michelangelo
FRESCOESArtwork on fresh plaster.
FRESCOESPaintings on plaster.
FRESCOESWorks by Giotto
FRESCOESMurals
FRESCOESPompeii paintings