The nave of the church itself is lit by diffused light from holes in the stonework, arranged in the shape of a cross.
教会本身的大殿是由从洞的石雕穿过，排列成十字形状点的散射光来照亮。
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The findings showed that the PET fiber has a more compact structure than that of PLA fiber, and the holes or cracks on the cross sections of PLA fiber may be observed under microscope.
Yan Hejing such analysis by scanning electron microscopy cross-section of bamboo fiber filled with holes, indicating that it has excellent moisture permeability.