Japanese Occupation of China in 1940. Marked with red circle is Chongqing.
<a href="//commons.wikimedia.org/wiki/User:Odie5533" title="User:Odie5533">Odie5533</a>
CC BY-SA 3.0
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Japanese_Occupation_of_China_1940.svg" title="File:Japanese Occupation of China 1940.svg">Japanese Occupation of China 1940.svg</a><br>