Sumba is an island the size of Jamaica in the Indonesian archipelago that has been cut off from the rest of the world for so long that its ancient animistic traditions survive to this day. It is the setting for ritual battles called Pasola which take place every year in February and March. The Pasola is a fight between rival clans who hurl spears at each other on horseback in order to "fertilize" the soil with spilled human blood.

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