@CNN: Every year, officials on Christmas Island close roads for millions of red crabs migrating across the island https://t.co/KtOdGmsfea https://t.co/Oq1SfGZEFw

@CNN: Every year, officials on Christmas Island close roads for millions of red crabs migrating across the island https://t.co/KtOdGmsfea https://t.co/Oq1SfGZEFw