www.mediafax.ro/life-inedit/orasul-construit-pe-72

Nördlingen, a Bavarian town, is built on a unique rock believed to contain 72,000 tons of diamonds, discovered by American geologists in the 1960s. Initially thought to be volcanic, the crater's true origin was revealed to be from a meteorite impact 15 million years ago. This event transformed carbon into tiny diamonds, which are now embedded in the town's buildings, creating a sparkling effect in sunlight. The discovery has made Nördlingen a significant site for studying meteorite impacts, attracting interest from NASA astronauts preparing for lunar missions.