What revolutionary movement that sought to define a Mexican identity did this Mexican painter whose work includes "Self-Portrait with Thorn Necklace and Hummingbird" participate in?
Self-Portrait with Thorn Necklace and Hummingbird: Self-Portrait with Thorn Necklace and Hummingbird ("Autorretrato con Collar de Espinas") is a 1940 painting by Mexican painter Frida Kahlo.
i don't know