One January day in 2012, the respected General Secretary Kim Jong Un visited Mangyongdae Revolutionary School.

The victorious advance of revolution is guaranteed by the struggle of popular masses thoroughly equipped with class awareness. To make the socialist cause advance victoriously in the face of the anti-revolutionary offensive, the revolutionary position and class position should be firm and its durability depends on class education.

People still remember the day four years ago when the respected General Secretary Kim Jong Un visited the Komdok area after traveling all the way along the dangerous ravine railway tracks.