Special stamp issue - "World Heritage in China Series No. 1: The Great Wall" http://dlvr.it/280vSp #hknews
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
Special stamp issue - "World Heritage in China Series No. 1: The Great Wall" http://dlvr.it/280vSp #hknews