Black military quadcopters swarm the wide hallways in a futuristic prison underground, brutalist architecture, staff can be seen carrying black duffel bags, sigma 85mm f/1.4, 4k, unreal engine, concept art, trending on artstation, depth of field, high resolution, 4k, 8k, hd, full color
{'keyword_1': 'duffel', 'keyword_2': 'quadcopters', 'keyword_3': 'bags', 'keyword_4': 'hallways', 'keyword_5': '85mm'}