Which international multi-sport event hosted 10,768 athletes including Moroccan boxer Aboubakr Lbida beginning July 25, 2012?
2012 Summer Olympics: The 2012 Summer Olympics, formally the Games of the XXX Olympiad and commonly known as London 2012, was a major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC). 2012 Summer Olympics:  10,768 athletes from 204 National Olympic Committees (NOCs) participated.
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