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A woman leaves a bouquet of flowers in the Belgian national colours next to a French national flag with the lettering 'Paris - Brussels - Solidarity' at the fence of the Belgian embassy in Paris on March 22, 2016, in tribute to victims of triple bomb attacks in the Belgian capital that killed about 35 people. AFP PHOTO / THOMAS SAMSON / AFP / THOMAS SAMSON (Photo credit should read THOMAS SAMSON/AFP via Getty Images)

A woman leaves a bouquet of flowers in the Belgian national colours next to a French national flag with the lettering 'Paris - Brussels - Solidarity' at the fence of the Belgian embassy in Paris on March 22, 2016, in tribute to victims of triple bomb attacks in the Belgian capital that killed about 35 people.  AFP PHOTO / THOMAS SAMSON / AFP / THOMAS SAMSON        (Photo credit should read THOMAS SAMSON/AFP via Getty Images)