In this Saturday, Dec. 8, 2012 photo, a bard wire fence along the Chinese border looks into North Korea near the Chinese border town of Tumen in eastern China's Jilin province. Over the

 

              In this Saturday, Dec. 8, 2012 photo, a bard wire fence along the Chinese border looks into North Korea near the Chinese border town of Tumen in eastern China
In this Saturday, Dec. 8, 2012 photo, a bard wire fence along the Chinese border looks into North Korea near the Chinese border town of Tumen in eastern China's Jilin province. Over the past year, Kim Jong Un has intensified a border crackdown that has attempted to seal the once-porous 1,420-kilometer (880-mile) frontier with China, smugglers and analysts say, trying to hold back the onslaught.(AP Photo/Ng Han Guan)