North Korea to build ”Korean Peninsula version of Berlin Wall”...Details confirmed through satellite images = South Korea

Satellite images have revealed the actual state of the barrier that North Korea has built in the northern region of the Military Demarcation Line (MDL). Yoo Young-won, a lawmaker from South Korea's largest opposition party, People Power Party, said that the Joint Chiefs of Staff's theory
According to satellite images obtained from the Pyongyang and European satellite company Aias and released on the 14th, North Korea has erected anti-tank barriers approximately 2.5 kilometers long in each of the four areas around the Northern Limit Line.
This is the first time that the specific details of the anti-tank barriers built by North Korea, such as their exact locations and overall length, have been confirmed.
If you add up all the anti-tank barriers that North Korea has built so far, the total length would be about 10 kilometers.
The 4-5 meter high anti-tank barrier was constructed by building a 2 meter wide concrete wall facing south, with a thick layer of earth piled up behind the wall to support it.
North Korea is not currently building an anti-tank barrier, but is carrying out extensive work to ensure visibility around the barrier.
Rep. Yu said, "North Korea's anti-tank barrier is a symbolic representation of their 'two nations theory'."
They are actively trying to use it for their own internal politics."