Poliform Siqueiros is a cultural, political, and social facility located in Mexico City as part of the World Trade Center in Mexico City. Designed by David Siqueiros in the 1960s, this facility contains the world's largest murals, as well as a theater, galleries, and Lots of other artworks, but the main attraction is the World Forum, which contains the interior of Siqueiros murals, which visitors can admire while standing on a rotating platform, listening to the artist Siqueiros' voice explaining the details of the paintings.