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It's the type of thinking demonstrated by Klaas Kuiken that will make this planet a happier and more harmonious place. These featured rooftop tile birdhouses by Kuiken are simply ingenious. Not only does it provide shelter for humans, it also shelters little flighty friends as well.

As Klaas Kuiken explains himself, "Nowadays birds are not welcome under rooftiles anymore, so they lost a beautifull nest place. Placing a house on top of a rooftile, now created a nice place for a birdsnest. And also better to spot!"