Fact: Turkmenistan pavilion was impressive. 3D world engulfing computer generated history of this Silk Road Nation, and how it is modernizing using it's new found Natural Gas wealth and the new pipeline running thru the country (right out of a Bond Movie).
They has an impressive display of natural herbs and medicine to be grown and harvested in T-Stan. But as I opened one of several books on display, this was the first page I turned to.
Yep. Opium Poppies, the mack Daddy of cash crops.