After Draining A 200-Year-Old Parisian Canal, Everyone Were Astonished In What They’ve Discovered

Solid Gold

Trash is accumulated in sewers, and not all of it is worthless. In 2009, the staff of a Japanese rehab facility got 5 million yen in gold. They were removing sludge when they discovered the precious metal. Since there were so many precision machinery makers in the region, they could use the metal. They found 1,890 grams of gold per ton of trash!

Solid Gold