Finally in Nanaki Village, the group steels themselves to meet the current residents, only to find the village seemingly abandoned. As they begin to explore the village, many begin to question the group's organizers...
I guess they had a system for self-sufficiency.
.أظنّ أنّهم كانوا يتّبعون نظام اكتفاءٍ ذاتي
Ils devaient pouvoir 
subsister en toute autonomie.
Suppongo avessero un sistema
per essere autosufficienti.
Acho que eles eram autossustentáveis.