In 2004, a large earthquake in the Indian Ocean triggered the largest tsunami in recorded history. One of the countries hit by the tsunami was Sri Lanka, where the wave caused one of the worst train disasters in human history when it hit the Queen of the Sea passenger line, which was carrying 1,500 passengers along Sri Lanka's west coast. Watch Destruction Decoded on Wednesdays at 8pm on National Geographic UK. | National Geographic UK

Remembering the 2004 Phuket Tsunami: A Tragic Turning Point On December 26, 2004, a catastrophic tsunami struck Phuket, transforming the sunny island into a scene of devastation. Triggered by a 9.1 magnitude earthquake, the disaster claimed thousands of lives and left an indelible mark on Thailand and its people. Survivors recall the anguish of that fateful day, while memorials and events continue to honor the victims. Key sites include the Wall of Remembrance in Mai Khao, where multi-faith pray