Βιολογικό σχέδιο. Ευτυχής ωραίος έξυπνος βιολόγος κρατώντας μια σύριγγα και βάζοντας μπλε υγρό σε δοκιμαστικούς σωλήνες, ενώ εργάζονται σε ένα επιστημονικό έργο - Φωτογραφίες & Εικόνες Αρχείου

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