Disputed sections of the border between China and Russia before the final border agreement of 2004.
<p>Source: <a rel="nofollow" class="external free" href="http://www.lib.utexas.edu/maps/middle_east_and_asia/china_ussr_e_88.jpg">http://www.lib.utexas.edu/maps/middle_east_and_asia/china_ussr_e_88.jpg</a> (Perry-Castañeda Library Map Collection)
</p>
Originally from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>; description page is/was <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Image%3AChina_USSR_E_88.jpg">here</a>.