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I didn't realize USA had such good surveillance satellites up in the 1900s
10 2 ReplyActually a lot of Google "satellite" imagery is from planes, as I assume this is.
22 0 ReplyOr a balloon, which they used in ww1 for observation
10 0 ReplySome fascinating history, thanks for the note!
4 0 Reply
They called them 'birds' back then
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