The Earth Hour Jaa The Earth Hour-sivusto https://www.earthhour.org/2017-highlights https://www.youtube.com/watch?v=CZp4LX4AYnM https://www.youtube.com/watch?v=HxuE9mvtu8c
The Earth Hour-sivusto https://www.earthhour.org/2017-highlights https://www.youtube.com/watch?v=CZp4LX4AYnM https://www.youtube.com/watch?v=HxuE9mvtu8c
