Historical evolution of Rio de Janeiro <a href="https://en.wikipedia.org/wiki/Rio_de_Janeiro_Metro" class="extiw" title="en:Rio de Janeiro Metro">Metro</a> (Brazil)
<a href="//commons.wikimedia.org/wiki/User:Hmaglione10" title="User:Hmaglione10">Hmaglione10</a>
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<span class="int-own-work" lang="en">Own work</span>