I took this on National Day (09.08.2008), now I know why the last plane is trying to catch up with the rest of the planes. The last plane had just finished performing an acrobatic show at Marina and now fly to join the rest in the final show at Marina.
Compared the two photos and see the difference. The last plane was coming in different directions on different days.
The below photo was taken on 02.08.2008 during the National Day preview.
You need to watch this exciting video especially the ending part taken on 09.08.2008. It looked scary when the plane just turned and dived to join them. It looked a bit different from the preview video that I took earlier.
Thanks to Tom for hosting Sky Watch. For other sky watchers, you can go to Tom's skywatch blog.