While continuing to use the hot air balloon to search for the oil, it's decided that Ishigami Village needs to take up agriculture to prevent future food shortages, as well as to produce preserved food for their upcoming sea voyage.
They're descendants of the people who escaped
إنّهم ينحدرون من الناس الذين هربوا
Sono i discendenti delle persone 
che migliaia di anni fa
Eles são descendentes 
das pessoas que escaparam
Здесь живут потомки людей, избежавших
окаменения тысячелетия назад.