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.

Survivors and families of victims visited mass graves, lit candles and comforted one another across Southeast and South Asia in ceremonies to mark the disaster that killed some 230,000 people.