The practice of fumigation and offering of sacred smoke, known as sang, uses smoke created according to the instructions of an ancient ritual to purify contamination of the environment and its seen and unseen inhabitants. This contamination is caused by the negative activity of humanity and results in many types of calamity and misfortune. The ritual of sacred smoke purifies this contamination and its negative consequences and create a basis for good fortune and prosperity, and supports positive and harmonious circumstances for spiritual practice and development.