This photo shows the Cenotaph, a world war memorial. The memorial was built to commemorate the soldiers who lost their lives in World War I. It was unveiled on the 31st of March 1922 by the Prince Edward, Prince of Wales (later King Edward VIII and Duke of Windsor). After the Second World War, the momument was modified to also honour soldiers who died in World War II. The photo shows the WWI insciption. The WWII inscription is on the opposite side of the memorial.
In the background, you can see the Esplanade (The two spiky domes).
This photo was taken by me sometime in July 2003.