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05:03 GMT - Running To Safety - Attending the Aceh memorial, survivor Lim Cejc, 56, an Acehnese of Chinese heritage, recalls how she and her husband ran away from the waves. 04:58 GMT - Warning System - To prevent avoidable losses again, the Indian Ocean Tsunami Warning System -- spanning the ocean and monitored by hubs in Indonesia, Australia and India -- began operations in 2011. Twenty-four countries around the Indian Ocean have also set up their own national warning centres. 04:36 GMT - Climate warning - US Secretary of State John Kerry says the tsunami sounded a warning on climate change.