| Thousands drowned in the murky brew that was soon contaminated by sewage and industrial waste. |
| Water abstraction, agricultural runoff, climate change, and pollution from sewage treatment plants have all been blamed. |
| Take the track to the left of the castle ramparts, rounding small sewage works on its left. |
| The solution is to take the sewage away from the lake or the lakeside, and to change the land use. |
| Deep gullies run between the ramshackle dirt houses carrying away sewage in the open. |
| Mr Watson and the Russian helped fellow hotel guests and at one stage found themselves waist-deep in water and sewage. |
