our ancestors lived by chena cultivation in the fast in sri lanka. After the hunting living they started to cultivate many crops in the chenas. First they cleaned the forests cut down the trees and burnt. Next in the rain season they cultivated maniok, mazels, kurakkan, and many other various kind of grains. To protect their cultivation they built a small hut on top of a tree. Specially they wanted to save wild animals while protecting their crops. If chena cultivation was our ancestors capital living way it losted us thounds of acres rain forests.
