Jumps out the page here.pic.twitter.com/I1z381YcPz
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
How do we see that the third piece on the RHS is the same size as the other two?
The top half of the third part consists of pieces which are half of corresponding pieces of the first(top left) part.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.