S12·E20 – Power Tunnel, Pizza Ovens, Playhouses
2015-10-01 • 22 min
How do they build tunnels to prevent blackouts in one of the world's biggest cities? How do they turn millions of hectares of pine forest into perfect pieces of timber?
2015-10-01 • 22 min
How do they build tunnels to prevent blackouts in one of the world's biggest cities? How do they turn millions of hectares of pine forest into perfect pieces of timber?