Follow the pungent perfume of frankincense, sumac, cinnamon and sacks full of enticing spices across the street to the tiny yet aromatic Spice Souq.

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The team of ecologists who wrote the article said that based on the mortality rate of the 12 tree stands they observed for two years, yields of frankincense could be halved within 15 years.

WSJ: A Shift for the Magi? Frankincense Shortage

This is the only case known of using frankincense - we have never found any use of this before.

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