miroslav_benak: Exterior of plant
miroslav_benak: Exterior of plant
miroslav_benak: Exterior of plant
miroslav_benak: Machines
miroslav_benak: Vault in old sewer system
miroslav_benak: Vault in old sewer system
miroslav_benak: IMG_7968xxM
miroslav_benak: Hall for sludge management
miroslav_benak: Sewer system
miroslav_benak: Inside the old sewer system
miroslav_benak: Inside the old sewer system - bowels
miroslav_benak: Inside the old sewer system