The Thames Tideway Tunnel is a 25km tunnel being constructed under London at a cost of more than £4billion.
We join the workforce who are designing and building the biggest sewer since Victorian times. What skills do you need? What does working in construction mean to them?
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Sustainable Construction
Day in the Life - Jessica
Day in the Life - Gabriel
Future Skills
Skills check
How do you build a town?
Port of Blyth
Mythbusters
Down the sewer