HONG KONG SAR – Media OutReach – 3 July 2023 – Spring, summer, autumn, winter: nature’s constant metamorphosis manifests in the rhythmic cycle of the seasons. Flowers bloom, leaves change colour, rivers freeze. A caterpillar emerges from its chrysalis as a majestic butterfly. And rough diamonds formed billions of years ago are transformed into masterfully crafted, astonishingly beautiful jewels.