Young man talking and looking at camera
Young man explaining something with raised hand
Young man explaining something
Annoyed man explaining something with raised hand
Young man explaining something
Annoyed man explaining something with raised hand
Young woman standing and speaking
Young woman standing and speaking
Young woman standing and speaking
Young woman leaning forward and talking
Young woman leaning forward and talking
Back view of a boy holding out his hand
Young woman leaning forward and talking
Young woman leaning forward and talking
Side view of a teen girl in sportswear squatting and putting hands on hips
Side view of a teen girl in sportswear raising hands and looking aside
Young woman looking up and talking
Young woman looking up and talking
Young woman looking up and talking
Side view of a teen girl in sportswear raising hands and looking aside
Three-quarter back view of a teen girl in sportswear raising hands and looking aside
Side view of a teen girl in sportswear raising her hands
Side view of a teen girl in sportswear raising hands and looking aside
I need you to follow me on this
Side view of a teen girl in sportswear squatting and putting hands on hips
Young man looking at his hands
Young man raising hand and blowing cheeks
Gray-haired man raising his hand while talking
Side view of a teen girl in sportswear squatting and putting hands on hips
Side view of a boy holding out his hand
Side view of a female rocker raising her hands
I need you to follow me on this
Confused young man gesturing
Angry asian girl clenching fists
Side view of a teen girl in sportswear explaining something while raising hands
Side view of a teen girl in sportswear explaining something while raising hands
Young man raising arm
Front view of an old female in office clothes gesticulating actively standing in the room
Smiling senior man gesturing
Young woman gesturing and explaining something
Office worker explaining something with raised hands
Three-quarter view of a young female in casual clothes putting hands in pocket and greeting
Young woman gesturing and explaining something
Young woman gesturing and explaining something
Bearded man chasing a fly
Side view of a teen girl in sportswear raising hands and arguing
Involved in talking old professor explaining something
Young man sitting on the sofa and raising a hand
I'm counting on your good subject knowledge here
Boy with closed eyes showing the size of something with his hands
And remember to don't forget this, ok?
Guess, there's nothing to do about that
Elegant young woman posing and touching forehead
Man standing with raised hands
Young woman gesturing and explaining something
Back view of teen girl raising her hands
Side view of young man talking on the phone
Old man standing and looking up with raised hand
Side view of a blonde female in casual clothes dancing on her tiptoes and raising hands
Black man standing