Shark-Infested Bunkers at Brisbane Golf Course

The video discusses a unique golf course near Brisbane, known for its lake inhabited by bull sharks. These sharks were stranded on the course after floods. The general manager shares players' reactions, who are often amazed by the proximity of the sharks. The sharks are thriving and even breeding in the lake. Local kids once collected golf balls from the lake, but no longer do so due to the sharks. The video also touches on Greg Norman, Australia's famous golfer, nicknamed 'The Shark'.

What was the experience of local kids collecting golf balls from the lake?

What nickname was given to Australia's most famous golfer, and why?