[hex12648430]

Some other fun (but not so secret) things to look at: research stations in Antarctica, tourism in North Korea (as well as some officials traveling it seems; some tracks cross the DMZ), your own garden if you have one. There's even a track at the Area 51.

[jzwinck]

Moving between North and South Korea is restricted but not completely eliminated. There are people who legiimately work in one and live in the other (not just officials).

[samstave]

What kinds of jobs do those people hold?

[azernik]

If they're including old data, up to two years ago there were quite a few South Korean managers and engineers working at the Kaesong Industrial Zone (https://en.wikipedia.org/wiki/Kaesong_Industrial_Region)

[jpindar]

Here's an analysis of the data from North Korea: https://www.northkoreatech.org/2018/01/29/strava-heat-map-no...