Willis Tower of the four categories in 2004 to become recognized as the tallest building in the world. Taipei 101 surpassed the Petronas Twin Towers in spire height and the Sears Tower in roof height and highest occupied floor. The Sears Tower retained one record: its antenna exceeded Taipei 101's spire in height. In 2008, the Shanghai World Financial Center claimed the records of tallest building by roof and highest occupied floor. On August 12, 2007, the Burj Khalifa in Dubai, United Arab Emirates was reported by its developers to have surpassed the Sears Tower in all height categories. Upon completion, One
Sears, Roebuck & Company Mail Order Building (Los Angeles, California) Deco tower and "Sears" sign became a "beacon for Eastsiders returning home on area freeways," and has been described by the Los Angeles Conservancy as "one of the dominant visual icons of the Eastside" of Los Angeles. The distribution center was closed in January 1992, eliminating jobs for 585 full-time workers and 775 part-timers. The facility's general manager said at the time that the Boyle Heights center was the most expensive that Sears operated, partly because the facilities were "outdated." In 2004, developer MJW Investments announced it had acquired the building and would make it the centerpiece of a proposed