Not much in the way of clues...
What time period is it from? What style? What media?
For example, here is a famous painting by Spanish artist Pablo Picasso depicting death, it is an abstract (cubist) style mural titled Guernica:
What else stands out about the piece? Was there a dominant color, was the location unique? Why were the people dead?
I am fairly knowledgeable about art - I took Humanities classes in Art History, and have visited many of the world's great museums, but you have not provided much to go on.
You could always try and contact the Professor too...
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