Camille Pissarro, "Red Roofs"

Camille Pissarro, "Red Roofs, Corner of a Village, Winter," 1877; © RMN-Grand Palais (Musée d'Orsay) / Jean-Gilles Berizzi. 

I think we can rule out a simple photo edit in this case. The brightly colored image below is almost certainly a recently painted reproduction. Modern interpretations are fine if you like them. But it would be helpful if art vendors would mark their fresh creations clearly, so that viewers know to go elsewhere for a more accurate image.

Altered version of a painting by Camille Pissarro.