BEIJING nike air max 90 wholesale , Dec. 24 (Xinhua) -- As Christmas and New Year celebrations are just around the corner, security level has been raised up in many countries on high alert of anti-terrorism.


Cities across the United States are tightening security over the holiday season. There's heightened security in New York City as authorities are deploying special explosive detection K-9 teams, radiation detection devices and hundreds of additional security personnel.


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