an tall building there is an emergency staircase

---

Size: 3619px × 5428px
Photo credit: © Marcel Derweduwen / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: architecture, building, case, construction, design, detail, door, emergency, escape, evacuation, exit, extinguisher, fire, gray, interior, iron, ladder, metal, modern, office, rail, safety, stair, staircase, stairs, stairway, stairwell, steel, step, urban, wall