I'm not sure there IS a concept of 'Europe' in this map. Seems more sea-focused than land-focused
It's an interesting question, as is the ultimate source of the mapping :)
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It's an interesting question, as is the ultimate source of the mapping :)