Rockstar has released a trailer for The Ballad of unpublished Gay Tony, the second downloadable expansion for Grand Theft Auto IV, which will be coming exclusively to Xbox 360 next week. Among the contents, the video shows an extreme sport very popular with kids in Liberty City: The bail out from the rooftops of the tallest skyscrapers city. Such reckless actions we can take in one of the new online multiplayer modes.

Grand Theft Auto IV (GTA 4) - Extreme Base Jump | HD version