London, England. 28 January 2016. From Thames Water's press release:
  • Mayor Boris Johnson opens Thames Water’s Lee Tunnel, the first of two super sewers and deepest ever bored in London
  • Tunnel will transform the quality of the River Thames and River Lee for river users, wildlife and those who live and work in the capital for generations
  • Biggest single project in the history of the privatised water industry in England and Wales, delivered on time and on budget