South Korea answered by restarting anti-North Korean broadcasts on loudspeakers near the border.

作为回应，韩国在边境附近重新启动了反朝广播。

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Security was reported to be heavy at the North Korean border, but there was no apparent tightening in Beijing, where Mr.Kim is believed to be heading.

VOA: standard.2010.05.03

South Korea says it is accelerating a project to build its own dams near the North Korean border to prevent surprise floods like this in the future.

VOA: standard.2009.09.07

He says it is an all-out shutdown. Regularly scheduled tours of South Korea's side of the heavily armed inter-Korean border were abruptly curtailed Thursday after the North's announcement came out, as a safety precaution.

VOA: standard.2010.05.27

Thousands of families raise chickens in the city of Dehui, where the plant is located, not far from the North Korean border.

WSJ: Poultry-Plant Fire in China Kills More Than 100

Mr. Obama will also visit the inter-Korean border known as the demilitarized zone, or DMZ, which every president has done since Ronald Reagan.

WSJ: China Seeks Peacemaker Role on North Korea

That was well before normalization, when South Korean businessmen felt nervous about visiting a part of China so close to the North Korean border.

CNN: 'The South's Guangdong'