Lines of longitude run from the top of the Earth to the bottom, and divide up the Earth a bit like the segments of an orange. The line going through London, called Greenwich Meridian, is the ...
Globe rolls along Longitude 0° 0' 0". The Meridian Line in Greenwich represents the Prime Meridian of the world, with a Longitude of Zero. Every place on Earth is measured in terms of its angle east ...
Record the location and its latitude and longitude for each Checkpoint ... Begin and end your trip in Greenwich, England. Circumnavigate the globe once. Visit every Checkpoint Destination.