When Thumbiko Zingwe, 24, was in sophomore year studying for his degree in Earth Sciences, he was faced with a difficult task.
원문출처 : https://www.cnn.com/2020/02/07/africa/africa-first-drone-academy/index.html
원문출처 : https://www.cnn.com/2020/02/07/africa/africa-first-drone-academy/index.html