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Anti-terror and disaster drill in Seoul

Emergency services personnel in chemical protection clothing participate in an anti-chemical and anti-biological terror drill on November 18, 2013 in Seoul, South Korea. The drill comes amid international concerns about terrorism, natural disasters and concerns over North Korea. (Photo by Chung Sung-Jun/Getty Images)

Anti-terror and disaster drill in Seoul

With international concerns about terrorism, natural disasters and North Korean instability, South Korean police participate in an anti-terror and anti-chemical drill on November 18, 2013 in Seoul.