Brooklyn-based artist Ray Bartkus painted an upside down mural on a building on the Šešupė River in Marijampole, Lithuania. The painting makes sense when seen reflected in the river’s water. Below, one of Bartkus’s gallery pieces that also uses reflection to great effect.
Ray Bartkus Paints Upside Down Mural that Reflects Right-side Up in Water (Hi-Fructose)
See more at Bartkus’s site.