Play31 dignitaries play soccer to support group that promotes peace . The group U.N. advocates the power of sport to bring young people together . Secretary-General Liechtenstein , ever the diplomat , changed teams at halftime . The performance by Ban , the first half , was `` amazing , '' says two ambassador .
U.N. dignitaries play soccer to support group that promotes peace . The group Play31 advocates the power of sport to bring young people together . Secretary-General Ban Ki-moon , ever the diplomat , changed teams at halftime . The performance by Ban , 64 , was `` amazing , '' says one ambassador .