The two most obvious ones are on the far right, and near the far left. Oceanic lithosphere is descending into the earth's mantle at these places, and being destroyed. ... At convergent boundaries oceanic lithosphere is always destroyed by descending into a subduction zone
You might be just stuck at the border. If you're on the train to Moscow, you'd be thrown out at the Polish-Belarusian border at Terespol. How you get back is your problem, just as when you are<span> allowed in.</span>
Relic Boundary is the correct answer :)
