Through the clear water, visitors can see the bright colors of the fishes.

透过清澈的水，游客可以看到鱼鲜艳的颜色。

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On a window in Kotka, a slightly battered mosquito sits silhouetted against a mosaic of water drops, each reflecting spring sky and the crayon colors of nearby buildings.

在芬兰的科特卡，一只嗡嗡叫的蚊子趴在窗户上看五彩斑斓的水滴，每个水滴都呈现出天空的蓝色和附近建筑的颜色。

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He explains how the colors always appear in the same order because of how light refracts and reflects in the water droplets.

他解释了为什么颜色总是同样序列，因为光线折射以及水滴的反射。

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These are the colors of nature, he elaborates, symbolizing the sun, trees, water and earth.

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"The idea is that the same thing is true for colors, that there are certain kinds of colors that are characteristic of stuff that's good for us as a species -- clear sky, clear water -- and stuff that's bad for us, like rotting foods, biological waste products, " he said.

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