El botón de nácar
- Afọ: 2015
- Mba: Chile, France, Spain, Switzerland
- Dị: Documentary
- .Lọ nka: France 3 Cinéma, Ciné+, Mediapro, Atacama Productions, Valdivia Film, Consejo Nacional de la Cultura y las Artes, CNC, RTS, France Télévisions, WDR
- Isiokwu: indigenous, concentration camp, dictatorship, chile, genocide, south america, button, colonialism, british colonialism, indigenous peoples, colonization, political prisoners, cultural genocide, water, settler colonialism, patagonia, kawésqar
- Onyeisi: Patricio Guzmán
- Nkedo: Patricio Guzmán, Martín G. Calderón, Gabriela Paterito, Gabriel Salazar, Claudio Mercado, Raúl Zurita