The lakalaka is a Tongan group dance where the performers are largely standing still and make gestures with their arms only. It is considered as the national dance of Tonga

Tonga

Tonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...

 and part of the intangible human heritage

Masterpieces of the Oral and Intangible Heritage of Humanity

The Proclamation of Masterpieces of the Oral and Intangible Heritage of Humanity was made by the Director-General of UNESCO starting in 2001 to raise awareness on intangible cultural heritage and encourage local communities to protect them and the local people who sustain these forms of cultural...

. It is the ideal dance at formal occasions, like the birthday of the king or the opening of a church.
The lakalaka is a living dance in the sense that new compositions are still daily made. Often when a celebration is coming up, a punake (poet) will write the lyrics to the occasion, assign music to the stanzas from a pool of typical tunes and then choreograph the haka (dance movements).