Tea may mean a lot to the British, but it means much more to the people who grow it, pluck it, and blend it. Our national drink is a product of one of the most complex, delicate and labour-intensive processes know to agriculture and yet the tea bag is such a commonplace item it barely registers our interest. Leaves from high altitude tea plantations in Sri Lanka have long been an important part of the traditional "English blend". This story follows the tea from the bush to the blending room.