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A scholar from a primary school explaining how to find the classroom he is actual sitting in in the universe: "Hello alien, we are here at an observatory and engage to learn about astronomy. We are here in Jung-Stilling-Weg in Wuppertal, North Rhine-Westphalia, Germany. Here is how you could find us: You should fly to the Milky Way, head the planet Earth and then to the continent Europe, the country Germany and then at the end to Wuppertal."