Ключевые слова: abstract, adult, backdrop, background, bird, blur, blurred, blurry, boardroom, bokeh, chair, city, classroom, colleague, communication, conference, corporate, crowd, defocus, defocused, education, event, explaining, eye, group, human, indoor, job, lecture, life, lobby, mall, manager, many, people, person, professional, public, scene, shopping, sit, space, students, table, talk, top, training, urban, view, watching,