I don't know whether they're dangerous as well. Their appearance however isn't that frightening like the Covid-19 (Corona) virus, Bruce. But I take your advice for granted, because my eyes are still very good, so keeping a distance for more that 6 feet, isn't a problem to me to enjoy their beauty. For the details, I've still my binoculars, Buddy,
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I wouldn't be surprised if we all didn't look like this when we go outside before it's over BB. This is probably where they caught it. Good abstract. Stay Safe & Healthy