On March 11th, at NATO headquarters in Brussels, Belgium, Swedish Prime Minister Christian Song (left) and NATO Secretary General Stoltenberg attended a joint press conference. Zhao Dingzhe, a journalist from Xinhua News Agency, photographed the North Atlantic Treaty Organization (NATO) holding a ceremony for Sweden's accession to NATO at its headquarters in Brussels on the 11th. Sweden has become the 32nd member of NATO. (Lai Xin She)