熱気球の冒険のスリルと、世界的なフライトに関わる慎重な計画を探求しましょう。パイロットが空の中で数学と地理をどのように組み合わせるかを発見してください。
Showing the way they went
1 mins • Apr 12, 2010
Charts
- 200NEW
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Transcript -- Showing the way they went
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