Japanese Zen and the Zen priest's function has largely been reduced to officiating at funerals, a practice sarcastically referred to in Japan as . For example, the Sōtō school published statistics stating that 80 percent of laity visited temples only for reasons having to do with funerals and death. Mahayana Buddhism teaches śūnyatā, "emptiness", which is also emphasized by Zen. But another important doctrine is the buddha-nature, the idea that all human beings have the possibility to awaken. All living creatures are supposed to have the Buddha-nature, but don't realize this as long as they are not awakened. The doctrine of an
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