YouTube 동영상을 즐겨찾기에 등록했습니다. -- Into The Universe With Stephen Hawking: April 25th at 9PM on the Discove... http://youtu.be/ZkuxKoMoxwM?a
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
YouTube 동영상을 즐겨찾기에 등록했습니다. -- Into The Universe With Stephen Hawking: April 25th at 9PM on the Discove... http://youtu.be/ZkuxKoMoxwM?a