Subtitled in SpanishLaboratorios de innovación ciudadana | Marcos García | TEDxMadridTranscribed by Fernanda BouzaReviewed by Javier Sánchez
Subtitled in SpanishCómo construí un observatorio astronómico con mis manos | Faustino Organero | TEDxMadridTranscribed by Javier SánchezReviewed by Tamara Lopez