Gretchen Peterson’s City Maps: A Coloring Book for Adults will no doubt take up all of an urban geek’s spare time, but can you recognise the cities from the book’s maps showing only outlines? Map data ...

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What do you know about Papua New Guinea? Can you point to it on a map? Better yet, can you spell it? (that ‘u’ in Papua can be deceiving). If you can’t spell it, don’t worry—unlike many quizzes that ...