Il miglior cibo per migliorare le funzioni del cervello

Titolo: A chard tamale with tomato, onion and ep

Descrizione: A chard tamale with tomato, onion and epazote, is served at Quntonil restaurant in Mexico City on May 31, 2012. All the ingredients of the salad were cultivated in "chinampas", at the Xochimilco area, with ancestral tecniques. The "chinampas" are artificial islands that were created by the Toltec culture 1,000 years ago for agricultural purposes in the Xochimilco area, south of the system of lakes where the Mexican capital sits. Prehispanic farming, free of chemical substances, is forging ahead in the 'gourmet' market. AFP PHOTO/Alfredo Estrella (Photo credit should read ALFREDO ESTRELLA/AFP/GettyImages)

Crediti immagine: AFP/Getty Images - © 2012 AFP

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