Fire escape staircase metal structure

Fire escape staircase metal structureFire escape staircase metal structure
Fire escape staircase metal structure. Photo 1, 2.

Fire escape staircase metal structure
Fire escape staircase metal structure. Photo 3.

Fire escape staircase metal structure
Fire escape staircase metal structure. Photo 4.

Fire escape staircase metal structure
Fire escape staircase metal structure. Photo 5.