Photo Gallery: Ptolemy's Geography 10/01/2010
 A 2nd century map of Germania by the scholar Ptolemy has always stumped...

A 2nd century map of Germania by the scholar Ptolemy has always stumped scholars, who were unable to relate the places depicted to known settlements. Now a team of researchers have cracked the code, revealing that half of Germany's cities are 1,000 years older than previously thought.