[erlayman]

From the BBC article:

According to a statement from South Korea’s Joint Chiefs of Staff, the soldier made it across by passing through the Joint Security Area (JSA) at Panmunjom, which is the only portion of the Demilitarised Zone where both forces stand face-to-face.

[SunkenCiv]

[singing] the mademoiselle of Panmunjom, Wejomboo...