Have you checked our Help Center article which talks about videos not available in specific countries yet: https://goo.gl/cgUwrE ? This may help answer your question.
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
Have you checked our Help Center article which talks about videos not available in specific countries yet: https://goo.gl/cgUwrE ? This may help answer your question.