A staff member (L, front) distributes the cake to the people attending a birthday party for the city of Rio de Janeiro, in downtown of Rio de Janeiro, Brazil, March 1, 2015. Rio de Janeiro, the second-largest city in Brazil, celebrated the 450th anniversary of its foundation on Sunday and the revitalization of the city's port area rises as the greatest present for the residents. A 450-meter-long cake has been served at the birthday party. (Xinhua/Xu Zijian)
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