In a city as large as Moscow four million m3 of waste waters daily flow into the sewage system. It’s approximately as much as daily flows in the Moscow river opposite the Kremlin. All this water should be purified and … Read more...
In a city as large as Moscow four million m3 of waste waters daily flow into the sewage system. It’s approximately as much as daily flows in the Moscow river opposite the Kremlin. All this water should be purified and … Read more...
No comments:
Post a Comment