Geography trivia: Russia, China and North Korea borders intersection

[steve2470]

Intersection of Russian, Chinese and North Korean borders in the middle of the Tumen River

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Maybe it's not really in the very middle of that river, but it makes sense. No sense squabbling over a boundary under water

[underpants]

1. I don't know if I knew that

Very interesting

[TomWilm]

2. Distance between the United States and Russia: 2.4 miles

[mahatmakanejeeves]

3. According to an answer on Jeopardy! a few years ago, that's Russia's shortest foreign border,

the one it shares with North Korea.

A few miles upriver, China is barely wider than the railroad right of way.