Disciples from the cities of sofia and plovdiv took part in the seminar , and everyone was satisfied with the successful presentation and happy to see many truth - seekers showing interest in supreme master ching hai and the quan yin method 参与此次研讨会的索非亚和普罗迪夫同修，都很欣慰此次活动能圆满成功，并乐见许多求道人士对师父以及观音法门感到兴趣。
