The Mayor of London Boris Johnson (right) with L-R Mayor Matteo Renzi of Florence, Mayor Michael Bloomberg from New York and Warsaw Mayor Hanna Gronkiewicz-Waltz launching the Mayor's challenge of European cities.
Size: 4000px × 2698px
Location: City Hall, London,England
Photo credit: © David Parker / Alamy / Afripics
License: Licensed
Model Released: No
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