EF Challenge 2018 Winner from Portugal – Luis
EF Challenge 2018 | Inês Ribeiro - Portugal | Sustainable Development
EF Challenge 2018 - Lara Neves from Portugal
EF Challenge 2020 - Diogo Leite - Portugal
EF Challenge 2018 Winners from Brazil – Antonio and Giovanna
EF Challenge 2018 Winners from France – Julie and Diane
EF Challenge 2018
EF Challenge 2018 Winner from Vietnam – Dao Khanh Linh
EF challenge 2018 - What does sustainable development mean to you? - Hinata Abe
EF Challenge 2019 Winners from France – Gerheta & Diane
EF Challenge 2018 - Lucas Bustamante - Colegio Campestre Horizontes
EF Challenge 2017 Winner from Poland ‒ Mikolaj
EF CHALLENGE 2018-David Baez-QUITO, ECUADOR
Inês Duarte - EF Challenge 2019
EF Challenge 2018 - Julie Ramondou from France
EF Challenge 2019 || Carolina Marques || Portugal
EF Challenge 2020 - João Bernardino - Portugal
EF CHALLENGE 2018 | Caroline Correa - Sustainable Development
EF Challenge 2019 - Mia Vinocurov - Portugal
