This includes the building of a promising industrial system, a city system, a trade-port system and a border economic development zone along the main line of communication.

昆河经济走廊将建立以交通干线为辐射带的优势产业体系、城市体系、口岸体系和边境经济合作区。

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So it's a border zone dominated by trade and commerce, much of it illegal.

NPR: Moroccan Village Funnels Suicide Bombers to Iraq

The driving force behind the commercialization of the Razavi Foundation is Ayatollah Tabasi's son, Naser, who was put in charge of the Sarakhs Free Trade Zone, on the border with the former Soviet republic of Turkmenistan.

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The BBC's James Reynolds briefly crossed over the Turkish side of the border into Iran, where he was invited into a free trade zone.

BBC: Iran currency plunge bites into border trade with Turkey