Surveyors, engineers and architects are never required to factor the supposed curvature of the Earth into their projects, providing another proof the world is a plane, not a planet. Canals and railways, for example, are always cut and laid horizontally, often over hundreds of miles, without any allowance for curvature.

The Suez Canal, for example, which connects the Mediterranean Sea with the Gulf of Suez on the Red Sea is a clear proof of the Earth’s and water’s non-convexity...