Axel Stein, Head of Department, Latin American Art, introduces Sotheby's upcoming auction, Latin America, The Legacy of Abstraction. The sale— inspired by the 100th anniversary of Kasimir Malevich's ground-breaking work, The Black Square—features a diverse array of works by artists such as Carlos Cruz-Diez, Narciso Debourg, Lucio Fontana, Joaquín Torres-Garcia, Mathías Goertiz, Jesús Rafael Soto and Mira Schendel.