Journey to Australia's southern ocean and uncover one of its best-kept secrets - a natural phenomenon called the "Bonney Upwelling" that sparks a feeding frenzy all the way up the food chain to the planet's largest living creature, the Blue Whale.
On Sunday 4th of March 2007, a group of 30 dedicated Padbury Senior High school students and five staff members ventured down to the Swan River to participate in a Clean-up Australia Day event with a difference.