Competitors are silhouetted as they take part in the Belgian Pipe Band Championship during the Scottish Weekend event in Belgium’s Flanders village of Bilzen

Competitors are silhouetted as they take part in the Belgian Pipe Band Championship during the Scottish Weekend event in Belgium’s Flanders village of Bilzen

Competitors are silhouetted as they take part in the Belgian Pipe Band Championship during the Scottish Weekend event in Belgium’s Flanders village of Bilzen September 13, 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/Yves Herman (BELGIUM – Tags: POLITICS ELECTIONS SOCIETY)