The sky often looks blue in the morning or afternoon because the air refracts blue light from the sun more than red light.
ID: 1619511106
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- 大图:4128 × 1908 像素·34.95 cm × 16.15 cm·300dpi·JPG
- 中图:1000 × 462 像素·35.28 cm × 16.3 cm·72dpi·JPG
- 小图:500 × 231 像素·17.64 cm × 8.15 cm·72dpi·JPG