Incidentally, the yard in front of the Granary, now a lovely piazza, was once a canal basin that had been filled in decades before.

The battery acid ate away at the metal until a large hole appeared.

The other, Adragon Eastwood DeMello, who is 16 now, was the youngest university graduate in history according to the Guiness Book of World Records.

Right now, rich nations devour 28 tonnes of material per person per year – including everything from fish to forests, plastics to metals. That’s four times more than ecologists say is sustainable.