1. When I was your age, I often came down to this river.

2. I did! The river was quite clean back then.

3. A lot of kids swam and played in the river.

4. Well, that is one of the causes. People also started to use a lot of plastic. And plastic does not decay easily.

5. Plastic trash began to litter a lot of places. It made this river dirty.

6. The plastic trash also caused many other problems, like the lood in a nearby town a couple of days ago.

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(TribunWow.com/ Magang dari UMS/ Adelia Septian)

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