After a massive earthquake triggered the deadliest tsunami in recorded history, multiple waves hit Thailand. As the waves reach the beaches of popular resorts, locals and tourists work together to save lives. Survivors separated by the waves desperately search for their loved ones. Discover the power of the human spirit through stories of hope, hardship, and heroism from the 2004 Indian Ocean tsunami. Tsunami: Race Against Time premieres Monday November 25th at 9pm on National Geographic UK. | N

It's been 21 years since the devastating Indian Ocean earthquake and tsunami of 2004. It was Boxing Day when a 9.2-9.3 magnitude earthquake struck off the west coast of Aceh in northern Sumatra, Indonesia. Approximately 275,000 people were killed across 14 countries, marking it one of the largest natural disasters in recorded history. #tsunami #boxingdaytsunami #earthquake #naturaldisaster #Asia | 7NEWS Australia