the head of a gilded statue of medicine buddha, with ushnisha on the head

asia background bhaisajyaguru black blue bodhisattva bronze budda buddha buddhism decoration dharma enlightenment eye face faith gautama gilded god gold golden hand head healing hear icon isolated karma mahayana medicine meditation metal old peace portrait reincarnation religion sacred sculpture shakyamuni siddhartha spiritual statue symbol tathagata theravada tibetan tradition ushnisha vajrayana