In just two days, Scotland votes on whether to break away from the United Kingdom. But do we really know where England ends - and Scotland begins? Channel 4 News asked people in London, the border and in Scotland's capital to find out.
The end of Britain? Channel 4 News looks at the Yes/No debate in the final days of the campaigns. Have you taken our #Indyref quiz? http://www.channel4.com/news/indyref-scotland-referendum-independence-yes-no-voter-quiz