Nick Vujicic, an Australian motivational speaker who was born without limbs, swims with sharks at the Marine Life Park in Singapore on Sept. 5. Vujicic dived with sharks 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. (Edgar Su/Reuters)