Dan Olsen published a video [0], last year, outlining his experiment on Minnewanka Curve and the ideology driving people who deny his, and similar results, demo

Dan Olsen published a video [0], last year, outlining his experiment on Minnewanka Curve and the ideology driving people who deny his, and similar results, demonstrating the curvature of the earth. While there is no artificial structure, he observes that trees on the opposite side of the lake are obscured by the water surface. He also published raw footage of the multiple recordings he took as a separate 28 minute video. [0] https://www.youtube.com/watch?v=JTfhYyTuT44 https://www.youtube.com/watch?v=JTfhYyTuT44 90 minutes