HS2 installs a plaque 40 metres below London to celebrate the Brunels’ engineering legacy HS2 has installed an unusual underground memorial where its Euston Tunnel passes directly beneath the Brunel family tomb at Kensal Green Cemetery. https://www.ianvisits.co.uk/articles/hs2-installs-a-plaque-40-metres-below-london-to-celebrate-the-brunels-engineering-legacy-91738/