@mercilessmysteries on Instagram: "On 4 September 2006, Australian zookeeper, conservationist, and television programmer Steve Irwin was killed by a stingray while filming in the Great Barrier Reef. The stingray's barb pierced his chest, penetrating his thoracic wall and heart, causing massive trauma. He was at Batt Reef, near Port Douglas, Queensland, taking part in the production of an underwater documentary Ocean's Deadliest. During a lull in filming caused by inclement weather, Irwin decided