A minivan-sized slab of Trefor granite farmed from the mountain is chiseled down, producing thousands of curling stones. It's then shipped by boat in raw, semi-curling stone form for Kim and Wayne ...

The owner finally sold the raw stone to Zheng for 60,000 yuan ($9,516, 7,350 euros) in 2000. Zheng's friends thought he was mad to buy a stone weighing less than 100 grams for 60,000 yuan 12 years ...