2020-04-30 May Zen Retreat 2020 (3 days) May Zen Retreat 2020 (3 days) April 30, 2020, 20:00 - May 3, 2020, 16:00 May Zen Retreat 2020 (3 days) May Zen retreat. Yong Maeng Jong Jin: to leap like a tiger while you are sitting