The wind speed had to be just right. And miraculously, it worked. There was more than enough force to hoist the obelisk. The total airtime? Only twenty-five seconds.

• 风速必须得恰倒好处才行。别说，这个方法真的奇迹般的成功了。风筝很轻松地就抬起了方尖石，而且只用了25秒钟。