Get your share of double luck and happiness! With the magic of a sunshower, a double rainbow appeared over the sky in Guangzhou, with one shining brightly while the other was barely visible, crossing both sides of the Pearl River.
It is because of the way sunlight is reflected, and then escapes the water drops to form a primary rainbow while other rays go through two internal reflections, forming a secondary rainbow.
来遇见双份的幸运与美好！在零星太阳雨的“魔法”下，广州天空出现一明一暗双道彩虹，横跨珠江两岸！
这是因为，在水滴内经过一次反射的光线，形成了我们常见的彩虹。若光线在水滴内进行了两次反射，便会出现“双彩虹”现象。
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