as many as 80 million sharks were being harvested each year for items ranging from cosmetics to pet food

Rob Stewart's 2006 documentary Sharkwater was aimed at exposing the shark hunting industry that was feeding demand for fins, a delicacy in Chinese cuisine.

The hunting has ravaged shark populations and the film was part of a campaign that helped persuade some governments to crack down on 'finning'.

With finning, typically the fins are cut off and the live shark is tossed back into the sea. Unable to swim properly, the shark suffocates or is killed by predators.

Stewart said his new film was looking at other ways that as many as 80 million sharks were being harvested each year for items ranging from cosmetics to pet food.

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By The Associated Press, Jillian Sederholm, Elizabeth Chuck and Arata Yamamoto

The search for survivors continued into the early hours Sunday after a flurry of aftershocks hit southwestern Japan the day before, sending rescuers scrambling to reach victims trapped under debris.

Earlier, two big quakes killed at least 35 people, while about 190 others suffered serious injuries, the Japanese government said.

Evacuation orders were issued for areas vulnerable to landslides amid powerful thunderstorms in the area, government spokesman Yoshihide Suga said in a Saturday night press briefing.

Photos: Stronger Japan Earthquake Triggers Landslides and Collapses Homes

"There are still sporadic aftershocks from this morning’s earthquake, and so there is still a need to be vigilant," Suga warned.

Saturday's massive