- Tubten Kunga Center (TKC) offers classes, study groups, seminars, and meditation practice in the Mahayana Tibetan Buddhist tradition. Meditation practice is offered for both beginners and advanced students. Classes cover such topics as Happiness, Suffering, Compassion, Death, Karma, Anger, and Reincarnation. The Center also sponsors guest lecturers who relate Buddhist teachings to 21st century ...www.tubtenkunga.org