Diamond

In the town of Nordlingen, Germany, there is a Gothic church, the narrow staircase of the tower is very special, should have been a dark gray channel, in the sunlight, but issued a dot of dazzling light. Later, according to the investigation, these dazzling light came from countless diamonds, which is very surprising

It only costs $6, you can just dig in the park, dig out the diamonds are yours, there are people free to help you identify, is not it cool