Using an octocopter, historian Bettany Hughes and aerial archaeologist Ben Robinson, explore various sites of historic interest from a new perspective, the air. 展开全部
Using an octocopter, historian Bettany Hughes and aerial archaeologist Ben Robinson, explore various sites of historic interest from a new perspective, the air. 收起全部
Einstein & Hawking: Masters of our Universe Einstein and Hawking: Masters of Our Universe Einstein und Hawking - Das Geheimnis von Zeit und Raum(德) 爱因斯坦与霍金：掌握宇宙奥秘的人 爱因斯坦和霍金：掌握宇宙奥秘的人