Tonos y sombras

One of the showiest pieces is Triada, Baltazar Castellano Melo's own version of Coatlicue, built from red earth, charcoal, acrylic, oil pastel, huanacastle wood and wild boar tusks. Castellano was born in Cuajinicuilapa in 1983, and the 46 works here come out of the Afro-Mexican and Indigenous towns of Guerrero's Costa Chica.

You start with three works that introduce the artist, a self-portrait among them, then walk into the masks: devils that stand for the dead and the ancestors. In Costa Chica belief your "tono" is an animal double bound to you for life, and the "sombras" are those devils. Later sections cover religion and conflict, belief, and the coast's fiestas and music, in sculpture, woodcuts, watercolour, charcoal on raw canvas and reworked instruments.

Entry is free, in the museum's first-floor gallery, until 8 November. The show grew out of the artist's residency at the museum, and he also painted a mural in its ethnographic halls in 2024.