Shop staff fix their advert posters showing (L-R) German Chancellor Angela Merkel, British Prime Minister David Cameron, US President Barack Obama and Russian President Vladimir Putin, at a petrol station close to the G8 Summit in Lough Erne, Northern Ireland, Britain, 18 June 2013. Leaders from Canada, France, Germany, Italy, Japan, Russia, USA and UK are meeting at Lough Erne in Northern Ireland for the G8 Summit 17-18 June. The leaders were holding their second and final day of talks on 18 June, with the global economy and tax avoidance high on the agenda. Photo/Paul McErlane