epa06083661 Germany's leader of the German Social Democratic Party (SPD) and candidate for the German Chancellor Martin Schulz, visits the Cathedral of Aix-la-Chapelle in Aachen, Germany, 12 July 2017. Shulz is visiting Bavaria, North Rhine-Westphalia and Hamburg, for a summer tour from 10 to 14 July.  EPA/FRIEDEMANN VOGEL
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