Large amount of debris and dirty wastewater causes rapid growth of algae in lake. Water pollution. Ecological problem. Sewage sewage dirty water flows in an open city channel
ID: 1171818616
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- 大图:4896 × 3264 像素·41.45 cm × 27.64 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG