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A map of Guatemala Köppen climate types of Guatemala The highlands of Quetzaltenango A town along the Pan-American Highway within a volcanic crater. Guatemala is mountainous with small patches of desert and sand dunes, all hilly valleys, except for the south coast and the vast northern lowlands of Petén department. Two mountain chains enter ...
Seeds likely used for herbalism were found in archaeological sites of Bronze Age China dating from the Shang dynasty [12] (c. 1600 – c. 1046 BCE). Over a hundred of the 224 compounds mentioned in the Huangdi Neijing , an early Chinese medical text, are herbs. [ 13 ]