Pink Sands Beach, Harbour Island, Bahamas: three miles of pink sand that stretches along the island’s east coast. The red shells of foraminifera—single-celled marine animals—mix with the island’s white sand, thus creating the soft rosy hue.
Our house in Japan really was built over a koy pond like this! We had a huge, 8 inch thick piece a glass for viewing, right in the middle of the living room floor. This one is from Kenrokuen, Kanazawa, Japan.