@sgtreport the best person I found to demonstrate earth curvature is the "Red Pill World" youtube channel. He knows the math, has the tools, and took the time to make a video for us. A link to his Chicago Skyline measurement can be found here
Watch and see how a person trained in engineering the landscape around you, approaches this debate. He choose a windy day to shoot across Lake Michigan, disrupting the effects of mirroring and mirage.
This person Is disinformation even Stephen Hawking fakes these experiments on the discovery channels.