What a sad post.
Several years ago, hour-building in Arizona, I visited an aircraft museum which claimed to have the largest collection of flyable WW2 and replica WW1 aircraft in existance. Until recently, they had an annual show, during which they would fly one of the WW1 aircraft and one of the WW2 aircraft. This has had to be stopped, because the insurance company will no longer insure the aircraft for a single weekend - they have to be insured for the whole year.
FFF
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