Compared with Ford s Tara thangka in iconography, Tara of the Polo style in Drathang should have direct relation with the mission of the Atisha at central Tibet in the eleventh century and the Tara thangka should be the works following the model of the Indian Polo images.
通过和福特藏《绿度母》唐卡从图像学上进行比较分析,发现扎塘寺壁画中波罗风格绿度母图像与11世纪在卫藏传教的印度高僧阿底峡有直接联系,应是源于以印度波罗图像为范本的作品。