Nick Vujicic, an Australian motivational speaker who was born without limbs, looks on as a hammerhead shark swims past at the Marine Life Park in Singapore September 5, 2013. Vujicic dived in a ... more 
Nick Vujicic, an Australian motivational speaker who was born without limbs, looks on as a hammerhead shark swims past at the Marine Life Park in Singapore September 5, 2013. Vujicic dived in a customized acrylic enclosure that takes in a 360-degree view of the shark habitat at the aquarium. Vujicic is in Singapore to give a motivational talk to a 5,000 strong audience on Saturday. REUTERS/Edgar Su (SINGAPORE - Tags: SOCIETY) less 
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Reuters | Photo By EDGAR SU / REUTERS
Thu, Sep 5, 2013 9:24 AM EDT