Скачать или смотреть Why Do We Keep Planting Trees That Smell Like Semen?

What's that awful smell? Cat urine? Semen? Rancid butter? Possibly one of these gorgeous city trees?

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Sources:
http://www.slate.com/articles/health_...
http://arnoldia.arboretum.harvard.edu...
https://motherboard.vice.com/en_us/ar...
https://www.pubs.ext.vt.edu/3010/3010...
http://www.dcnr.state.pa.us/cs/groups...
http://extension.psu.edu/natural-reso...
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Images:
https://en.wikipedia.org/wiki/File:Gi...
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https://commons.wikimedia.org/wiki/Fi...
https://en.wikipedia.org/wiki/File:Py...
https://en.wikipedia.org/wiki/Ailanth...