‘Yes’ and ‘No’ campaign posters are seen in the window of an apartment in the centre of Edinburgh

‘Yes’ and ‘No’ campaign posters are seen in the window of an apartment in the centre of Edinburgh

‘Yes’ and ‘No’ campaign posters are seen in the window of an apartment in the centre of Edinburgh, Scotland September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN – Tags: POLITICS ELECTIONS)