The article features a unique map of the world compiled from 37,500 border drawings made by players of the game Borderline. The map showcases how people perceive and remember international borders, with every line drawn by players overlaid on a real map, except for coastlines which were not drawn. The resulting visual representation provides a fascinating insight into collective geographical knowledge, with country-by-country breakdowns available, including the number of drawings made for each location, and comparisons to the actual map.