translation.en: We needed new boundaries to describe our traditional lands; we needed to learn more things like GPS just to see whether -- can GPS really reflect the true reflection of the land or is this just a thing made somewhere in the West?
translation.zh: 我们需要新的方法来描述我们传统的土地； 我们要学习更多，像GPS， 看看GPS 是否真的能真实反映出这片土地 或者它仅仅只是西方国家某个地方造出来的一个东西？