With winter comes an urge to emerge from solitary hibernation and embrace the warmth of community. For their monthly open house, Yerba Buena Center for the Arts is assembling an impressive array of artists, chefs and sommeliers to create a communal table that is definitely worth getting out of bed for. Explore the galleries and stick around to experience the summoning of Cailleach, the Gaelic winter deity, with a roaming butoh dance by Deborah Butler.