The camera tilts up for a view of Skydeck, the observation area within the Sears Tower in Chicago. The tower, which is the tallest building in North America and the second tallest in the world, remains the focus of attention as the flight passes to the west of the Loop. -- Available in HD -- 1920 x 1080 - 853.9 MB - QuickTime Movie - Photo - JPEG - 60.8 MB/sec - 29.97fps --