Sumbanese men carrying javelins run away as tear gas exploded, fired by policemen, following clashes among participants on Pasola 'war' festival, an annual ancient ritual to welcome the new harvest season as they ask for God's blessings for a good harvest which believed could increase their crops for the further years by riding horses and trying to hit each other with javelins, in Lamboya district, West Sumba, East Nusa Tenggara province, Indonesia, February 20, 2020. REUTERS/Willy Kurniawan

A Sumbanese man reacts as he takes part in Pasola 'war' festival, an annual ancient ritual to welcome the new harvest season as they ask for God's blessings for a good harvest which believed could increase their crops for the further years by riding horses and trying to hit each other with javelins, in Lamboya district, West Sumba, East Nusa Tenggara province, Indonesia, February 20, 2020. REUTERS/Willy Kurniawan

Sumbanese men run away as tear gas exploded, fired by policemen, following clashes among participants on Pasola 'war' festival, an annual ancient ritual to welcome the new harvest season as they ask for God's blessings for a good harvest which believed could increase their crops for the further years by riding horses and trying to hit each other with javelins, in Lamboya district, West Sumba, East Nusa Tenggara province, Indonesia, February 20, 2020. REUTERS/Willy Kurniawan

An armed-plainclothes policeman stands guard following clashes among participants on Pasola 'war' festival, an annual ancient ritual to welcome the new harvest season as they ask for God's blessings for a good harvest which believed could increase their crops for the further years by riding horses and trying to hit each other with javelins, in Lamboya district, West Sumba, East Nusa Tenggara province, Indonesia, February 20, 2020. REUTERS/Willy Kurniawan

Police officers spray water with a canon after clashes among participants on Pasola 'war' festival, an annual ancient ritual to welcome the new harvest season as they ask for God's blessings for a good harvest which believed could increase their crops for the further years by riding horses and trying to hit each other with javelins, in Lamboya district, West Sumba, East Nusa Tenggara province, Indonesia, February 20, 2020. REUTERS/Willy Kurniawan

People spread-out after clashes among participants of the Pasola 'war' festival, an annual ancient ritual to welcome the new harvest season as they ask for God's blessings for a good harvest which believed could increase their crops for the further years by riding horses and trying to hit each other with javelins, in Lamboya district, West Sumba, East Nusa Tenggara province, Indonesia, February 20, 2020. REUTERS/Willy Kurniawan