People from all walks of life gathered in Indonesia's Aceh province Thursday to commemorate the 15th anniversary of the Indian Ocean earthquake and tsunami, with local leaders stressing the importance of not forgetting the lessons of the disaster.The ceremony, which included a mass prayer for the victims, took place in a convention center in the city of Sigli at the northeastern tip of Aceh. The tsunami killed more than 160,000 people in Indonesia alone, with most of those deaths occurring in Aceh.In a speech at the commemoration, acting Aceh Gov. Nova Iriansyah urged people to take part in…READ FULL ARTICLE