"I just said I wanted something elegant. When people have found pearls in oysters they might get an oyster shell, but I didn't want anything like that, just a simple design. "And then he drew up ...

Most pearls come from oysters, which thrive in both freshwater and saltwater environments. Oysters are bivalves that means their shell is composed of two valves connected by an elastic ligament.

Oyster shells are bulky and plain, but the treasures they hold go beyond their tasty meat and beautiful pearls. One company in Hong Kong is turning them into materials for constructing buildings.

I was blown away by the offer. "I just said I wanted something elegant. When people have found pearls in oysters they might get an oyster shell, but I didn't want anything like that, just a simple ...