Each source of light is a different color, and the bizarre quality of the different lights sets a perfect mood for a picture of Las Vegas.

各个光源的颜色均不相同，而不同光线的怪异质感营造的氛围正好是拉斯维加斯的完美写照。

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They began to search actively for the signal, eventually achieving perfect scores in tracking and identifying the correct location of the invisible light source.

BBC: Lab rats 'acquire sixth sense'