Přátelství, technika a Internet koncept-usmívající se přátelé s telefonem na univerzitě. - Stock fotografie a obrázky

Friendship, technology and internet concept - smiling friends taking selfie with phone at college.

Cheerful teenagers taking self portrait using a touch screen smart phone, sharing and technology concept

Education and technology concept - smiling students making picture with tablet pc computer at school

Education, leisure and technology concept - five smiling students taking picture with digital camera at school

A group of young people working in the office

Funny young students, organized a fun time for a walk in the park

Young people walking outdoors. Sitting in the park

Young people, students walk outdoors. Sitting in the park and read a book.

Funny young people on a gray background

Top view of beautiful young parents and their children doing selfie using a smart phone and smiling while lying together on the floor at home

Young people walking outdoors. Sitting in the park

Holding Books. Standing in University. Good Mood. Intelligence. Man and Woman. Standing Together. Outside. Sunny Day. Students. Friends. Happy. Courtyard. Books. University. Knowledge.