Crocodile, jellyfish threat as volunteers race to restore tropical harbour's forgotten seagrass meadows

Battling crocodiles and deadly jellyfish, it's just another day in the office for researchers trying to restore a lost seagrass meadow in far north Queensland. Destryoyed when cyclone Yasi tore through a decade ago, hundreds of plants are now being deployed in a bid to bring back marine creatures, in the first trial of its kind in the North.