KASHAN, Iran (AP) — The historic Kashan bazaar in central Iran once sat on a major caravan route, its silk carpets known the world over. But for the weavers trying to sell their rugs under its ancient arches, their world has only unraveled since the collapse of Iran’s nuclear deal with world powers and wider tensions with the West.

Rug exports, which exceeded $2 billion two decades ago, have plummeted to less than $50 million in the last year in the Persian calendar that ended in March, according to government customs figures. With fewer tourists coming and difficulties rising in making international transactions, Iranian rugs are going unsold as some weavers work for as little as $4 a day.

“Americans were some of our best customers,” said Ali Faez, the owner of one dusty carpet shop at the bazaar. “Rugs are a luxury product and they were eager to buy it and they used to make very good purchases. Unfortunately this has been cut — and the connection between the two countries for visitors to come and go has gone away.”

Kashan’s rug-weaving industry has been inscribed in UNESCO’s list of the world’s “intangible cultural heritage.” Many of the weavers are women, with the skills needed for the Farsi weaving style passed down from generation to generation, using materials like vine leaves and the skins of pomegranate fruit and walnuts to make the dyes for their threads. A single rug can take months to make.

For decades, Western tourists and others would pass through Iran, picking up rugs as gifts and to take back home. After the 1979 Islamic Revolution, the U.S. increased sanctions on Iran’s theocratic government over the American Embassy siege, Tehran’s links to militant attacks and other issues.

But in 2000, the outgoing administration of former President Bill Clinton lifted a ban on the import of Iranian caviar, rugs and pistachios.

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