Thousands of people flocked to a picturesque stretch of coastline on western Sumatra island for Tabuik, an annual event that attracts hordes of foreign and local tourists.
The climax of festivities featured two models of a "buraq", a steed from Islamic mythology that transported the Prophet Mohammed, being carried through the streets of the city of Pariaman before being cast into the waters.
The buraq resembles a horse but has wings and a human head. Atop the steed sits an elaborately decorated coffin studded with umbrellas, with the model towering about 12 metres (40 feet) into the air.
It takes place around Ashura, which fell last week and is a major date in the Shiite calendar.
More From This Section
The annual Ashura commemorations mark the seventh-century killing of the prophet's grandson, Imam Hussein, by the forces of the Caliph Yazid, a formative event in Shiite Islam.
Nowadays the population around Pariaman is almost entirely Sunni Muslim but they continue to celebrate Tabuik, as the festival has a long tradition and is now regarded as principally a cultural event.
Tabuik is an example of how myriad different ethnic and religious influences often mix to form unique local cultures and festivals in Indonesia, a sprawling, diverse archipelago of over 17,000 islands.