Painting, modern art, vibrant colors, abstract, landscape, river, trees, hills, blue sky, bright, cheerful, lively, colorful, nature, outdoors, scenic, serene, tranquil, water, wilderness, wildlife, green, orange, yellow, red, white, blue, abstract expressionism, impressionism, post-impressionism, cubism, surrealism, fauvism, realism, pointillism, neo-expressionism, neo-impressionism, pop street graffiti, digital graphic illustration, cartoon, comic, manga, anime, geometric, organic, dynamic, st