CHONGQING, Nov. 8 (Xinhua) — At a sewage treatment plant in southwest China\’s Chongqing Municipality, diverse aquatic plants grow, making it look like a garden, while almost no unpleasant smell linge
Enjoy life, Inspiring work
Enjoy life, Inspiring work
CHONGQING, Nov. 8 (Xinhua) — At a sewage treatment plant in southwest China\’s Chongqing Municipality, diverse aquatic plants grow, making it look like a garden, while almost no unpleasant smell linge