Screen recorded from Vanilla webcam Table Mountain. I dont see any rain. These light rods go in different directions and even curve sometimes.
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https://www.youtube.com/watch?v=n7elZeG7vAA
Watch the reflection on the water. This is part of the Syn simulator. Screen recorded from Webcamsdemexico.
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https://www.youtube.com/watch?v=jvmfmO9Z5Dk