"Volatile terpenoids emitted in large quantities by the abundant eucalyptus trees in the Blue Mountains may cause Mie scattering and thus the blue haze for whic

"Volatile terpenoids emitted in large quantities by the abundant eucalyptus trees in the Blue Mountains may cause Mie scattering and thus the blue haze for which the mountains were named." Amazing! https://en.wikipedia.org/wiki/Blue_Mountains_(New_South_Wales)#cite_note-Bohlmann2008-14 https://en.wikipedia.org/wiki/Blue_Mountains_(New_South_Wale...