How a Diver Placed 25,800 Bags of Concrete Underwater Over 5 Years to Save Winchester Cathedral from Collapsing
Key Highlights At the turn of the 20th century, the 170-meter-long Winchester Cathedral was on the verge of collapse due to shifting, waterlogged peat foundations. Deep-sea diver William Walker spent five years (1906–1911) working in pitch-black, submerged trenches beneath the cathedral to reinforce the base. Working entirely by touch, Walker placed over 25,800 bags of ...