Tea garden at Yangjiatang Village, Songyang County, China

Legend says that it began with a single leaf drifting into a pot of boiling water in ancient China.

Centuries later, tea is the second-most consumed drink in the world (after water).

Tea harvesting is a delicate craft, rooted in tradition and influenced by geography.

From the misty hills of Zhejiang province in China, pictured here, to the rolling estates of Assam in India, the process differs.

Green tea leaves are sun-dried or steamed to preserve their freshness, while oolong and black teas undergo oxidation to develop complex, bold flavours.