Watch: HS2 viaduct built 'like giant Lego blocks' Close. Aerial video showed the first of 72 beams being lowered into place as part of a new railway viaduct for HS2. The structure, ...

Martin has recreated Knaresborough viaduct in Lego Picture: Martin Renger. Keep up to date with all the latest news on our website, or follow us on Facebook, Twitter and Instagram.

Pacadar UK will be manufacturing every major element of the 880 metre-long Thame Valley Viaduct for the high speed railway scheme at its factory on the Isle of Grain.

Engineers said it was the first of its kind in the UK to have all major elements manufactured off site and that each 25m-long (82ft) part would be moved into position "like giant Lego blocks".