Buddhism deity and its associated mandala. Another element of Tantra is the need for ritual initiation or empowerment (abhiṣeka) by a Guru or Lama. Some Tantras like the Guhyasamāja Tantra features new forms of antinomian ritual practice such as the use taboo substances like alcohol, sexual yoga, and charnel ground practices which evoke wrathful deities. Zen Buddhism (禅), pronounced "Chán" in Chinese, "seon" in Korean or "zen" in Japanese (derived from the Sanskrit term "dhyāna", meaning "meditation") is a form of Mahayana Buddhism found in China, Korea and Japan. It lays special emphasis on meditation, and direct discovery of the Buddha-nature.
History of Buddhism first western monastics such as U Dhammaloka, Ananda Metteyya and the German Nyānatiloka Thera (1878–1956). Another important element leading to the growth of Buddhism in the west was the large scale immigration of Chinese and Japanese to the United States and Canada in late 19th century. Refugees from Vietnam, Laos and Cambodia have also immigrated to west, beginning in 1975. Asian Buddhists such as DT Suzuki, Hsüan Hua, Hakuun Yasutani and Thích Nhất Hạnh were influential in teaching Zen Buddhism in the West in the 20th century. Shunryu Suzuki opened the Soto San Francisco Zen Center (1961) and the Tassajara