Beyond the thatched eaves of the school building, the Moie River shimmered in the hazy midday sun, its green oxbows carving through steep lush mountains. From afar the refugee camp’s rows of bamboo huts, nestled among palm and banana trees, looked like a tropical paradise. Up close, the terraces were barren hard-pack dirt, the weathered shelters so close together neighbors could climb onto one another’s porches.