Earliest known signs of cannabis smoking unearthed in China. Cannabis was detected from the scraps of this brazier by Gas chromatography-mass spectrometry. [620×372] Posted in Old Statue Pictures Tagged with 620x372, brazier, cannabis, China, chromatographymass, detected, earliest, Gas, scraps, signs, smoking, spectrometry, unearthed
![Earliest known signs of cannabis smoking unearthed in China. Cannabis was detected from the scraps of this brazier by Gas chromatography-mass spectrometry. [620×372]](https://nowiu.com/wp-content/uploads/2022/10/mhlk3su891n91.png)