What Lies Ahead premiere written and filmed would begin after the events of Season 1, although a brief flashback scene of Shane and Lori witnessing the fall of Atlanta from a distance would appear during the season. At PaleyFest 2011, it was announced that the second season of "The Walking Dead" would mainly be produced outside the city limits of Atlanta, Georgia. Most of the principal photography for "What Lies Ahead" took place in unincorporated Henry County, Georgia on June 5–9, 2011, using a stretch of Georgia State Route 20 that was closed to traffic for the purpose. On June 8, 2011, the
International Standard Audiovisual Number of audiovisual works, including their related versions of trailers, excerpts, videos and broadcasts. The Microsoft High Capacity Color Barcode will be used too. ISAN-IA (ISAN International Agency) is a Geneva-based non-profit association, founded in 2003, by AGICOA, CISAC, and FIAPF to run the ISAN standard. ISAN-IA is in charge of: Registration Agencies: International Standard Audiovisual Number International Standard Audiovisual Number (ISAN) is a unique identifier for audiovisual works and related versions, similar to ISBN for books. It was developed within an ISO (International Organisation for Standardisation) TC46/SC9 working group. ISAN is managed and run by ISAN-IA. The ISAN standard (ISO