Greek referendum no vote signals huge challenge to eurozone leaders

Victory by Syriza party of 60% to 40% in polarising referendum presents nightmare for eurozone elites, particularly German chancellor Angela Merkel

Concepts of Thinking: Geographic Perspective, Spatial Significance

No vote supporters hold a banner during celebrations in Athens as results begin to indicate a clear victory against eurozone austerity measures Photograph: Alexandros Michailidis/Demotix/Corbis