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. 2023 Jul 21;9(29):eadh5517. doi: 10.1126/sciadv.adh5517

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Fig. 6. — This footed sandstone grinding slab (sample code: OE18.LLO.B.H1.M1.L3.3), 76 cm long by 31 cm wide, was excavated in 2018. Starch grains of ginger (Zingiber officinale), cinnamon (Cinnamomum sp.), and nutmeg (Myristica fragrans) have been identified on its surface (Photo source: Khanh Trung Kien Nguyen).