Coordinates - Meridian

The ability to pinpoint a location on a rotating sphere is one of humanity’s oldest and most vital technical achievements. At the heart of this system are meridians—imaginary vertical lines that stretch from the North Pole to the South Pole. Unlike circles of latitude, which wrap around the Earth like hoops, meridians define our concept of East and West, forming the longitudinal half of our global coordinate system. The Logic of Longitude

Example formats that work: * Decimal degrees (DD): 41.40338, 2.17403. * Degrees, minutes, and seconds (DMS): 41°24'12.2"N 2°10'26. Google Help meridian coordinates

Furthermore, there are 8 Extraordinary Vessels (Ren Mai, Du Mai, etc.) which act as reservoirs, adding another ~50 coordinates to the master map. The ability to pinpoint a location on a