Artist Guillaume Legros paints on grass and mostly on hill & mountain sides: he has to wait for sunny days, but when this happens, slopes become immense artworks. And his paint is safe for the environment. Credit: @Rainmaker1973 Twitter

Artist Guillaume Legros paints on grass and mostly on hill & mountain sides: he has to wait for sunny days, but when this happens, slopes become immense artworks. And his paint is safe for the environment. Credit: @Rainmaker1973 Twitter