portrait of happy business people sitting in seminar hall

20 24 30 34 35 39 40 44 45 49 adult at attending audience brightly business businessman businesswoman by camera caucasian center collaboration collar colleague color concentration conference confidence convention corporate dressed eastern ethnicity event expertise global group happiness horizontal image indoors lanyard lit looking mature medium meeting men mid middle occupation of office people person photography portrait presentation professional seminar side sitting smiling suit sunlight well white women worker years young