Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)
Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)Bluebells or wild hyacinth in Hallerbos forest in Halle, Belgium. Bluebells are associated with ancient woodland and dominate forest floors in carpets of violet–blue flowers. (AP Photo/Virginia Mayo)