(my apologies for some of the poor qualities of the portraits-- they are of the North Korean workers from a far distance)

Look right over the border and a reclusive kingdom comes to light, at least in the daytime. China shares a long border with North Korea and there are fewer and fewer access points for the countries to contact as bridges are broken, literally and ideologically. The river is 图们江, or Tumen River.
Shuai Wanzi Qiao: 甩湾子桥