Click through as we put together a list of 25 national flags and their respective meanings. United Kingdom Though officially called the Union Flag ... St. Andrew's cross on the blue background ...

All you have to do is stare at the middle of the green, yellow, and black version of the Union Jack flag. This will then disappear and you may see the traditional red, white, and blue flag.

Australia and New Zealand's flags share similarities, including a blue field with a Union Jack and Southern Cross ...