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5 Best Guided Colosseum Tours (With Skip-the-Line Access)
As the most enduring symbol of the Roman Empire and one of the most famous landmarks in the world, the Colosseum receives ...
Neptune delights scientists with a stunning light show in its atmosphere
Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...