1. Not far from Riga (scientists are conducting experiments at a nuclear research reactor, constructed near the memorial complex on the territory of the former Salaspils concentration camp in Latvia). 2. It is operated by Dr. Gaudin (deafness, hearing impairment, ear surgery). 3. On the other side of the mirror (the technology of producing mirrors using aluminum foil). 4. Flying prisoner (factory "Novaya Zarya": the production of perfumes, perfumes, fragrances).