September 24, 2013

Muppets Bert and Ernie, as well as Elmo, center, are among a donation of additional Jim Henson objects to the Smithsonian's National Museum of American History in Washington.

1 Muppets Bert and Ernie, as well as Elmo, center, are among a donation of additional Jim Henson objects to the Smithsonian's National Museum of American History in Washington.

From right, Florence Mayor Matteo Renzi, New York Mayor Michael Bloomberg, London Mayor Boris Johnson, and Warsaw Mayor Hanna Gronkiewicz-Waltz, during the Mayors Challenge competition, at City Hall in London.

2 From right, Florence Mayor Matteo Renzi, New York Mayor Michael Bloomberg, London Mayor Boris Johnson, and Warsaw Mayor Hanna Gronkiewicz-Waltz, during the Mayors Challenge competition, at City Hall in London.

Women dressed as ethnic minorities on a business street in Beijing. The seven-day holiday built around China's National Day on October 1 sees millions of members of China's newly wealthy and mobile middle-class travel locally and abroad.

3 Women dressed as ethnic minorities on a business street in Beijing. The seven-day holiday built around China's National Day on October 1 sees millions of members of China's newly wealthy and mobile middle-class travel locally and abroad.

4 Ultra-Orthodox Jewish men watch Israeli surfers during the Jewish holiday of Sukkot in the southern Israeli port city of Ashdod, Sept. 23, 2013.

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September 24, 2013