Taiwan agreed to protect millions of butterflies during peak hours of their migration by temporarily shutting down a busy road April 3-5.  Many thousands of the purple-spotted milkweed butterflies have been killed each spring on the highway since it was erected four years ago. Other protective measures include a net to force them to fly higher than the speeding cars and ultraviolet lights below the elevated road which experts say could lure the light-sensitive insects to fly safely underneath. (AFP)

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