This is geography not as a dry academic subject full of jargon and terminology, but as the natural history of a living, evolving landscape.

Even though geography and academic obligations can provide a graceful exit, some couples who may not be sure if they want to stay together might not want to break up, either.

In February this year, an academic team at the University of California claimed to have narrowed down the search with the use of satellite imagery and "fundamental principles of geography".