竹林の七賢
Using the drug powders was associated with Chinese poetry. Huang Junjie and Erik Zürcher say that when the Seven Sages of the Bamboo Grove took "wushisan", "they had to drink cold liquor and take walking excursions in order to avoid arsenic poisoning. Intoxicated enchantment with nature's beauty led to their writing poems on landscape, and thus they initiated the genre of 'Nature Poetry'."