Spirulina Cultivation in Bangkok
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Salad dressings are among the items made from fresh spirulina at the buffet in a restaurant at the Novotel on Siam Square in Bangkok, Sept. 23, 2013. (S.L. Herman/VOA)
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Production costs prevent fresh spirulina from being a cheap, alternative source of protein in the developing world, Bangkok. (S.L. Herman/VOA)