River ice frozen air bubbles in water. Methane bubbles form in the organs of the Water mass when dead organic matter (leaves and animals) enters and sinks to the bottom
ID: 2020829897
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- 大图:4256 × 2832 像素·36.03 cm × 23.98 cm·300dpi·JPG
- 中图:1000 × 665 像素·35.28 cm × 23.46 cm·72dpi·JPG
- 小图:500 × 333 像素·17.64 cm × 11.75 cm·72dpi·JPG