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That "alien bubble" can be found in the universe Numina, known for its ethereal yet swampy atmosphere teeming with secret nooks. On the second floor of the Cosmohedron is the Frog Egg Garden designed by Emmanuelle John; inside, you have a bird's-eye view of the mystical installation. But that's not all: If enough people sit on the cushioned depressions around the circular room and touch the windows, the colorful ceiling comes alive.