云岗石窟塞外日照的充足，使久居娘子关内的人很不适应，初来乍到，眼睛就被晃得眯缝起来了。八九月的雁北，天并不很高远，但分外的蓝，不像关内的天那样灰扑扑，不知远近。云格外的白，一朵朵飘着、悬着，水浸浸，软绵绵，不用想象，它看上去就是立体的；白云薄，乌云厚... Yungang Grottoes adequate sunshine outside the plug, so that the people living in the Miss customs are not suited, first arrived, his eyes were Akira narrowed up. August and September in Yanbei, the sky is not very high, but the exceptionally blue, unlike the days of customs inside the gray flutter, I do not know near and far. Cloud exceptionally white, blossoming floating, hanging, water immersion, soft, without imagination, it appears to be three-dimensional; white clouds, dark clouds thick ...