С 1, с 6: The Victorian London sewer system gets a 21st century upgrade. Machines bore a network of tunnels linking Bazalgette's old sewer network to the Tideway Super-Sewer.


С 1, с 6: The Victorian London sewer system gets a 21st century upgrade. Machines bore a network of tunnels linking Bazalgette's old sewer network to the Tideway Super-Sewer.