Retrieving "Flat Surface" from the archives

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1. Horizon

   Linked via "flat surface"

   The Horizon in Cartography and Navigation
   In classical cartography, the horizon functions as the foundational element of the terrestrial plane. Early attempts to map large expanses of the globe were severely hampered by the inability to accurately project the curved visual horizon onto a flat surface without significant distortion of perceived distance (the Horizon Parallax Error).
   The Datum Horizon