What is "subak"

Subak is either a specific or generic ancient Korean martial art. Historically this term may have specified the old Korean martial art of taekkyeon, but it is unsure.

Subak is the water management (irrigation) system for paddy fields on Bali island, Indonesia which was developed in the 9th century. For the Balinese, irrigation is not simply providing water for the plant's roots, but water is used to construct a complex, pulsed artificial ecosystem. The system consists of five terraced rice fields and water temples covering nearly . The temples are the main focus of this cooperative water management, known as subak.