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Two Caucasian students pupils friends man woman girl guy boy female male studying together learning homework school project study smiling talking cooperation teamwork education university college
Expert geologists are working together to examine minerals in different layers of rock on a mountain to study the life and vegetation of the past.
Woman, class and student with question at college, diversity and group discussion for course project. People, learner and sharing knowledge on module for research, university education and answer
Daily lifestyle concept. Young adult man spending time at home, man student sits at desk works on computer, finishing studying closing laptop, sighing and dancing happy dance. Slow motion.

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