Ключевые слова: 20s, analysis, beverage, break, building, cafe, caucasian, chairs, chart, chatting, chinese, city, cityscape, cloud computing, coffee, college, communication, computer graphic, computing, connection, cup, data, digital, digitally generated, doodle, drawing, drink, email, enjoy, female, friends, friendship, graph, hand drawn, hot, internet, laugh, laughing, leisure, lifestyle, male, man, message, mixedrace, morning, mug, refreshment, relaxation, sitting, skyscraper, smile, smiling, students, table, talking, technology, university, urban, wireless, woman, young adult,