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An exhibitor promotes products to visitors 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)
An exhibitor promotes products to visitors 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)