The haka, a chanting dance of challenge, is sacred to New Zealand’s Māori people but it’s become a beloved cultural institution among New Zealanders of all races. A vote to approve unprecedented, lengthy bans from Parliament for the Māori party lawmakers who enacted the protest was unexpectedly suspended on Tuesday. Hundreds of protesters against the sanctions waited outside Parliament’s front doors in New Zealand’s capital, Wellington, on Tuesday to greet the Māori party lawmakers with a haka when they emerged. What is the haka?