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- Earliest known signs of cannabis smoking unearthed in China https://www.theguardian.com/science/2019/jun/12/earliest-known-signs-of-cannabis-smoking-unearthed-in-china 40 comments
- Scorched wooden incense burners unearthed at an ancient burial ground in the mountains of western China contain the oldest clear evidence of cannabis smoking yet found, archaeologists say. https://www.theguardian.com/science/2019/jun/12/earliest-known-signs-of-cannabis-smoking-unearthed-in-china 8 comments worldnews
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