| dmwolfe14: yeah, the path would have to be traveled by air. But as it says in the notes to the quiz, "Route is the shorter of the two possible paths along the great circle from Lagos to Ulan Bator."
yellowcarpet: "Answers are arranged by (approximate) order in which one first encounters them in traveling the route." You're right that Mongolia doesn't border Kazakhstan. It goes Russia, Kazakhstan, Russia, Mongolia, hence the quiz ordering: Russia, Kazakhstan, Mongolia. |