White roofs

The Little are young people from all over the world, many of whom live in hot countries.
And they are familiar with the practice of liming walls and terraces, as in Greece. Intended to sanitize and refresh houses, the practice is as old as the world.
The practice of white roofs has become fashionable in the northern hemisphere over the last twenty years. So? Useful? Effective? Not everyone seems to have the same opinion... And so... The Little investigate...

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