简介：San Francisco Bay is home to various shark species. Alcatraz guards made sure the prisoners knew it, telling stories of sharks to stop escapes. [ZiYuantun.Com]译文(2): 旧金山湾是各种鲨鱼的家园。恶魔岛的守卫确保囚犯们知道这一点，他们讲述鲨鱼的故事来阻止逃犯。
简介：The world's leading scientists and cinematograp【ZiYuanTun.Com】hers relive 5 extraordinary shark feeding events. From being surrounded at night by 700 grey reek sharks, a 300-strong gathering of blacktip, dusky and bronze sharks feeding on thousands o
简介：It's over 500,000 square miles of rumored mysterie[ZiYuantun.Com]s. In reality, the Bermuda Triangle may be filled with something even more incredible - Sharks. Marine Biologist Dr. Austin Gallagher is searching for the holy grail of shark research -