This is a guard house on the edge of the DMZ in South Korea. You will see fences and guard towers all along the waterways going almost into Seoul. The please note the sign.
If you’ve been following along for a while, or if you at least take a look at the left column of my website, you’ll notice that I have an affinity for UNESCO World Heritage sites. I’m not trying to visit every one of them, for that would be impossible. I passed up four in Japan [...]