9. ... which they held to their noses when they passed the worst sections of town.
10. It was only after hundreds of thousands had died from bubonic plaque and cholera that the link between disease and sewage was made. Finally, laws were passed forbidding people from using the streets as sewers.
11. Flush toilets, discreetly called water closets, were a major innovation of the 19th Century.
12. Sewerage lines were constructed in many European towns...
13. The sewerage pipelines merely chanelled the raw sewage straight into rivers and seas...
15. ... which resulted in many complaints...
16. So some people decided to build 'sewage farms'. Sewerage pipelines were redirected in huge pits dug into the ground.
17. But they were soon unable to cope with the volume.
18. This led to the establishment of sewage treatment plants.
19. If you lived in the kampung areas, you either used the river...
20. ... or the beach.
21. In the towns, sewerage pipes did not exist. Sewage was removed MANUALLY!
22. It was only in the 1950s that FLUSH TOILETS were introduced here. In bigger towns like KL, sewerage pipes leading to central treatment plants were installed and septic tanks built.
23. Less than half of our towns have proper sewerage systems. And we produce 5 million tonnes of sewage every year.
24. A lot of it goes straight into our rivers and seas...
to be continued....hehehe