https://www.vice.com/en/article/wxjdqb/mysterious-ocean-buzz-soud

John RobertsonPascagoula river called the singing river on account of same thing

A peculiar picture from Peru shows a puzzling UFO that appeared behind a group of motocross riders as they gathered for a group photo.
Unbeknownst to the men, during their group picture, a dark saucer-shaped object zipped through the sky behind them.

Handheld Lidar Scans Bigfoot