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Thoughtful concept. Woman working on a computer at a cafe while gazing through the window glass.
Serious thoughtful clever scientific worker wears spectacles, has beard, curves lower lip, tries to imagine new theory or thigs how to prove new axiom. Pensive unshaven man being very meticulous
Little Boy and Girl Study Read Book Silhouette Illustration
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Creative work worker teenager list joy plan moment science learn author blonde hair people person concept. Clever intelligent excited lady holding notebook pen in hands isolated on gray background

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