Here's our first, sadly static, look at the map you get for free if you pre-order the Limited Edition of Electronic Arts' Battlefield 3.
Back to Karkand is a chance to relieve the "greatest Battlefield maps ever," according to a developer blog about the expansion pack bonus. The pack includes the four most played maps in the history of Battlefield: Strike at Karkland, Wake Island, Gulf of Oman and Sharqi Peninsula. Combined, DICE says, these maps have been played for 25,000 years.
Check out the DICE Battlefield 3 blog to read through the entire interview about this bonus pack.