© Close-up of businesswoman writing on window in creative office seen through glass

© Businesswoman writing on window while colleagues discussing in background seen through glass

© Businesswoman writing on window while colleagues discussing in background at office seen through glass

© Businessman writing on window while colleague working in background at office seen through glass

© Rear view of businessman looking at whiteboard while sitting by desk in creative office

© Businesswoman writing formula on glass wall

© Businesswoman writing formula on glass wall at office

© Serious businesswoman writing formula on glass wall at office

© Blacktip reef sharks swimming in sea

© Midsection of girl making Valentine card at home

© Businessman giving presentation to colleagues in board room

© High angle view of girl painting on paper while standing at table

© Businessman explaining strategy to colleagues in board room

© Businessman explaining strategy to colleagues in creative office

© Businesswoman explaining strategy to colleagues in creative office

© Businessman giving presentation to colleagues in board room

© Sisters drawing while sitting on bed against father at home

© Cute girl drawing while sitting on bed at home

© Portrait of smiling male student with backpack standing against brick wall in library

© Side view of boy writing on window at home

© Girl coloring while lying on floor at home

© Confident smiling businesswoman with colleague in meeting at office

© Business man looking at plan on glass wall in office

© Midsection of businessman writing on glass wall while working in office

© Confident businessman writing on felt tip pen while colleagues sitting in background during meeting at office