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美国国防部公布了一张2月3日由U-2间谍飞机飞行员俯视中国所谓的间谍气球拍摄的照片。
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照片显示了间谍气球和U-2飞机在密苏里州贝尔福尔的上空。
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通过搜索地标和制图软件确认了照片的位置。
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找到了密西西比河、24号锁和照片中气球和U-2飞机的位置。
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照片显示，气球的飞行高度在6万英尺左右。
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该气球的目的仍然不清楚。
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The US Department of Defense released a photo taken on Feb 3 by a U-2 spy plane pilot looking down at China’s alleged spy balloon.
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The photo shows the spy balloon and the U-2 plane over Bellflower, Missouri.
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The location of the photo was confirmed by searching for landmarks and mapping software.
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The Mississippi River, Lock 24 and the position of the balloon and the U-2 plane in the photo were located.
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The photo suggests the balloon was flying around 60,000 feet in altitude.
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The balloon’s purpose remains unclear.
链接：How to geolocate the photo of a spy plane flying over China's spy balloon : NPR