The 'gentleman' of Chinese teas

Shouhui, drying with limestone, for 7-15 days. [Photo provided to China Daily]

Apart from other preparations, the tea goes through the traditional step of shouhui - limestone, wrapped in paper, is put in a pile of tea to reduce the heat of roasting and absorb the grassy odor. This step also helps to increase the tea's aroma and make it more suitable for storing.