When you have got a swimming pool ...
Description: Natural swimming-pool
Image copyright: google image
You shouldn't change the water every year.
Why don't we save the planet's water ?
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What should we do with water (for a swimming-pool)?
When you have got a swimming pool ... Description: Natural swimming-pool Image copyright: google image |
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| You should fill in the swimming pool with rain water .
You shouldn't change the water every year. Why don't we save the planet's water ? | |