For the artist Rob Mango, the city is a dream theater, the setting for an epic drama played out across space and time. The city is New York, with its familiar landmarks, but a fantastic Gotham populated by fierce and beautiful figures, imposing enough to rival the towers around them. These personages, from many epochs and cultures, seem to have emerged from an elevated realm where gods, warriors, and a panoply of mythic characters coexist. In Mango’s series Rhapsody, these…