external security stairs
Palabras clave
external,
security,
emergency,
stair,
escape,
exit,
metal,
architecture,
structure,
steel,
climbing,
staircase,
construction,
white,
resource,
plant,
up,
site,
top,
fence,
house,
estate,
modern,
urban,
office,
wall,
city,
building,
grey,
concrete,
workplace,
protection,
cement,
real,
ladder,
climb,
rescue,
housing,
danger,
evacuation,
exterior,
home,
stair,
residential,
safety,
urgency
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