Less than 10 kilometres from central Kandy in Sri Lanka grow lush hilly tea fields. Some of the biggest producers in the world manufacture the leaves plucked from Kandy. The predominantly female workers meet in the morning, say a prayer to the shrubs, and move through the closely planted bushes at lightening speed. They measure the shrubs with a marked stick and anything higher than the mark is plucked. While they are moving through the plantations, leeches attach on to the moving workers, branches scratch and even tear their skin.