“…Physical structure was categorized as buildings, storage facilities, health facilities, shelters, and general infrastructure. 23,25,28,29,32,41,44,45,48,49,56,58,61,62,64,66,69,[71][72][73][74][75][76][77][78][79][80] Buildings included accommodation and more generally shelters used to protect people from the elements. 28,71,74 Storage facilities included sites used to house goods, supplies, and equipment.…”