thumbnail A glimpse of the  Blue Forest
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A glimpse of the Blue Forest  © Jason Langley/plainpictureJoin Our GIFs Group
What color do you normally associate with a forest? Well, in the case of the Hallerbos forest of Belgium, that would be blue, for reasons you can clearly see here. For about 10 days every year, usually in late April or early May, this forest floor is transformed as bluebell hyacinths wake up from their winter slumber and carpet it in blue.