How the Union Jack was formed from the individual flags of England, Scotland, and Ireland. (Northern Ireland being the only piece of Ireland that remains in the United Kingdom, and Wales having never been represented in the Union Jack.
If the Tenth Doctor doesn't have a pair of these British flag Chucks, he should. Love these Converse high tops, Chuck Taylor high top sneakers. I've got high tops out the wazoo, but I love these Converse high tops.