London Mayor Boris Johnson (R) and Warsaw Mayor Hanna Gronkiewicz-Waltz on 24 September 2013 in London Britain.

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London Mayor Boris Johnson and New York Mayor Michael R. Bloomberg on 24 September 2013 in London Britain. Mayor Bloomberg was joined today by London Mayor Boris Johnson, Warsaw Mayor Hanna Gronkiewicz-Waltz, and Florence Mayor Matteo Renzi to launch the Mayors Challenge at London City Hall. Michael R. Bloomberg today announced the launch of Bloomberg Philanthropies' 2013-2014 Mayors Challenge, a competition to inspire European cities to come up with bold ideas that solve major problems and improve city life – and that ultimately can be shared with other cities. Modeled on a successful inaugural competition in the United States, the Mayors Challenge () will award €5 million for the grand prize winner and €1 million for four additional cities that come up with the boldest and most transferable ideas.

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Size: 5000px × 3333px
Location: London UK
Photo credit: © TC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 24, 2013, bloomberg, boris, britain., johnson, london, mayor, michael, september, york