Since the 1980s, Brazilian sculpture has been consistently taught in many universities, and in the beginning of the 21st century, many Brazilian artists enjoy international approval, such as Francisco Brennand, Franz Weissmann, Amílcar de Castro, Lígia Clark, Sergio de Camargo, Sérvulo Esmeraldo, Frans Krajcberg, Sonia Ebling, Iole de Freitas, Willys de Castro, and Waltércio Caldas.