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Visitors watch a cooking demonstration at the Gluten Free Expo in Vancouver, Canada, Jan. 13, 2018. The Gluten Free Expo showcased about 600 gluten free food products from over 140 exhibitors. (Xinhua/Liang Sen)
Visitors watch a cooking demonstration at the Gluten Free Expo in Vancouver, Canada, Jan. 13, 2018. The Gluten Free Expo showcased about 600 gluten free food products from over 140 exhibitors. (Xinhua/Liang Sen)