Хub-and-spoke system in the USA, 1995. Labels in Macedonian.
original by <a href="https://en.wikipedia.org/wiki/User:Elwood64151" class="extiw" title="en:User:Elwood64151">Elwood64151</a><br>derivative <a href="//commons.wikimedia.org/wiki/User:Bjankuloski06" title="User:Bjankuloski06">B. Jankuloski</a>
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<a href="//commons.wikimedia.org/wiki/File:Airline_hub-1995.svg" title="File:Airline hub-1995.svg">File:Airline hub-1995.svg</a>