Day by day passed, and various scientific, cultural exchange, and trade activities were carried out in an orderly fashion. Zhang Yuan had even attended an alien-hosted free concert enthusiastically with a group of companions. Yes, free events definitely shouldn't be missed.
However, the frequencies of the sounds at the concert were all ultrasonic… so everyone ended up looking like foolish geese, wasting a few hours for nothing…
Beyond that, the group also visited the so-called "Green Star Civilization Museum" of a certain civilization. Since the Green Star Civilization had vanished from the Milky Way, the remnants had become highly valuable cultural products. The Green Star Civilization was renowned for its powerful biological smelting technology; most items in the museum were bizarre biological beings. Zhang Yuan had witnessed something resembling a man-eating plant consuming ore and then spitting out metal products…
