Don Cracraft 2650 10/7/2020 11:10:11 AM |
Very nice presentation! Great explanations.
John's photos truely are wonderful! |
Twink Monrad 10/7/2020 8:28:40 AM |
John's photos are always wonderful! |
Bernd Pauli 10/7/2020 4:15:14 AM |
Colorful triple junctions. Thanks for sharing! |
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