On 26 December 2004, a magnitude 9.1 undersea earthquake struck 240km west of Sumatra, Indonesia, rupturing the greatest fault length of any recorded earthquake.

Infrastructure in Aceh has been rebuilt and is now more resilient than before the tsunami struck. Early warning systems have been installed in coastal areas to alert residents of incoming

Christmas in 2004, a 9.1 magnitude earthquake triggered tsunami waves that killed some 230,000 people across a dozen countries.

Traumatised by the Indian Ocean tsunami that hit Indonesia 20 years ago, Teuku Hafid Hududillah has spent his adult life making sure that if disaster strikes again, his home province of Aceh will be ready.

The earthquake and tsunami claimed the lives of over 200,000 people, the deadliest natural disaster of the 21st century.

People visit areas of mass graves in Banda Aceh, offer prayers for victims of deadly disaster that struck 20 years ago - Anadolu Ajansı

At one in Ulee Lheue village, where 14,000 unidentified victims are buried, families of those killed by the tsunami wept and placed flowers. There were similar memorial ceremonies in Ban Nam Khem, a small fishing town in Thailand that was among those most devastated by the tsunami in the country,

Triggered by a 9.1 magnitude earthquake off the coast of the Indonesian island of Sumatra, the catastrophic event was the deadliest tsunami in recorded history.