Portrait of geek student in glasses emotionally explaining and making a lot of gests by her hands in library.
Gesturing woman explaining at windows office closeup. Emotional designer speaking to colleague at computer table. Active developer communicating at evening city view workplace. Hipster girl chatting
Active businesswoman with smartphone making conference call looking at laptop 4K
Emotional drummer making concert program in recording studio. Bearded male artist hitting drum cymbals in concert hall. Active musician performing rock music indoor.
African-American man making presentation of solar battery speaking of its adaptation in manufacturing industry
Active retirement, senior man with mustache reading newspaper in library
Smiling brunette student with headphones, backpack, and books in library
College friendship: Diverse students studying together at campus library, working on study project
Learning process: Student researching and writing essay at library
Student researching and taking notes at campus library
Rear-view slowmo shot of male professor speaking in front of group of multi-ethnic university students sitting on turquoise stairs in library or auditorium
Online tutor speaking home portrait. Emotional headphones man explaining teaching students at video conference webcam view. Remote teacher having virtual computer call. Distance education concept