Ventilation shaft (KW1)
Ventilation shaft (KW2)
Ventilation shaft (KW3)
Ventilation shaft (KW4)
Ventilation shaft (KW5)
Ventilation shaft (KW6)
Ventilation shaft (KW7)
Ventilation shaft (KW8)
Ventilation shaft (KW9)
Ventilation shaft (KW10)
