April 28 ~May 27, 2025, His Holiness Gyang Khang Rinpoche, the Chief of Namdroling Monastery, guided the one-month retreat of Ngondro (Preliminary Teachings) and Dzogchen (Great Perfection) of the Namchoe Dzogchen called "Buddha in the Palm of the Hand" at Sherpa Monastery near Boudhanath in Nepal.