Observing atmospheric and optical phenomena that give the illusion of curvature.
For more information check out the following links:
More Sky Free Videos:
The Horizon Experiment - Testable, Observable, Repeatable:
/watch/cl8BsXDuwg1uB
Atmospheric Horizons - Macro vs Micro:
/watch/cMr-EwAo9LUo-
Wide Awake Channel:
/channel/UCkxN0iPWExvmFGvbT-zvL6Q/videos
The Plane Truth Channel:
/c/ThePlaneTruth
Ranty Channel:
/c/RantyFlatEarth
Bmlsb69 Channel:
/user/bmlsb
Video music by Mozart
Intro music by Clint Mansell:
/watch/Y79P98qC3coCP
Large boat clips courtesy of: Wide Awake, The Plane Truth, Mathias Kp