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A man walks past the security checking area for the 55th Munich Security Conference, in Munich, Germany, on Feb. 15, 2019. The 55th Munich Security Conference kicked off here Friday in Munich. (Xinhua/Lu Yang)
A man walks past the security checking area for the 55th Munich Security Conference, in Munich, Germany, on Feb. 15, 2019. The 55th Munich Security Conference kicked off here Friday in Munich. (Xinhua/Lu Yang)