Mind Concentration
Eight-year-old boy plays chess at a table with an unrecognizable opponent.
Engineer using laptop while operating machine in factory
Hands of man writing in notebook sitting at cafe
Female pharmacist working at pharmacy store
Close-up of scientist working in laboratory
Rear view of man looking at illuminated restaurant
Thoughtful man looking away while standing on promenade
Girl ironing clothes at home
Woman explaining plan during meeting in office
Beautiful businesswomen using computer while sitting in office
Close-up of wet plant leaves
Asian adorable kid girl is lying on the floor in living room at home and writing on tablet
Portrait of man wearing eyeglasses standing outdoors
Side view of calm little girl in casual wear reading fairy tale book while sitting under tree in field in sunny summer evening
Male and female lawyers brainstorming in meeting at law office
View from above dad and son are playing a board game of chess. time and games with children.
Young couple looking away while standing on paper
Portrait of young man sitting on tiled floor
Business people discussing during meeting in creative office
Close-up of machine part
Sales executives video conferencing with female professional during meeting in board room
Male colleague with hand on chin sitting near female colleague assisting at office
Fashion designers working with coworker against windows at workshop
Friends looking at camera while sitting on table
Businessman using tablet computer in board room at office
Close-up portrait of cute boy at table
Creative start-up business team looking at 3d printer in workshop
Mid adult woman reading book
Through window side view of young stylish female in eyeglasses sitting in cozy bookshop with volume
Concentrated girl painting with colorful pencils
Close-up of chess pieces
Schoolboy removing book from bag in laboratory
Businessmen looking at laptop computer while meeting in office
Midsection of man holding ice cream on table
Smiling young african american female with closed eyes dancing in ultraviolet light on blurred background
Man working over microscope in laboratory
Portrait of a girl sitting on table
Side view of serious businesswoman reading document at office
Man designing on piece of cloth
Two indian little girl and a boy doing meditate yoga asana on roll mat with eyes closed in park.
Cropped image of business people discussing at table
Man working in office
Man wearing eyeglasses on table
Businesswoman writing at desk in board room at creative office
Close-up of girl painting on table at home
Businesswoman explaining wind turbine model to colleagues in office
Carpenter working at workshop
Close-up of boy working in science lab
Scientist looking through microscope
Colleagues using tablet computer while sitting at desk in office
Female in glasses using tablet while standing in spacious workplace and working on project
High angle view of creative team working at table in office seen through glass
Midsection of man holding paper
Girl reading book while sitting on tree
Focused young black man in white t shirt and vr headset watching video in modern room with neon blue lights
Serious businesswomen working in office with male colleague in background seen through window
Cute girl studying at classroom
Telephone booth on table
Portrait of young man wearing eyeglasses against black background
Thoughtful man holding green chili pepper at desk in workshop
Female artist cutting wooden plank while working at backyard
Concentrated young african american male millennial in casual clothes and vr glasses reaching out hand toward camera against colorful background
Side view of young woman using laptop at home
Close-up of chess pieces
Young woman using smart phone for take a photo
Small kid learning while sitting on the floor among heap of books.
Woman using mobile phone while sitting on table
Peaceful female in pink activewear sitting in padmasana with namaste hands and meditating during yoga session on blue and yellow background
Cute sibling playing chess at home
Businesswomen looking at colleague writing on window in office
Side view of businesswoman specialist sitting at table and typing on keyboard on tablet with empty white screen while working at workplace
Businesswoman explaining business strategy to colleagues on document in meeting at office
Side view of focused creative mature male designer working on jewelry designs and drawing sketches while sitting at table with professional supplies in workplace
High angle view of female it professional holding apple while using laptop on desk in creative office
Close-up of scientist using laptop while sitting at laboratory
Fashion designer examining gray fabric while working at workshop
Businesswomen discussing while sitting at table in office
High angle view of man drawing over paper
Closeup of concentrated elderly female in spacesuit in space suit looking at earth and thinking about future of globe
Male computer programmer gesturing while using vr glasses by colleagues in office
Mature lawyer signing documents during meeting at law office
Rear view of businessman writing on whiteboard over tablet computer in office
Front view point of young woman using camera with sun light behind
Side view of crop ethnic female writing in paper planner hanging on refrigerator in kitchen
Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital
Portrait of cute boy sitting on table
Vietnamese woman scientist washing equipment in the laboratory
Full length of man walking on field
Businessman explaining strategy to female colleague at creative office
Young female in warm activewear standing in mountain pose with arms up while practicing yoga on rock against blue sky
Cute girl using laptop at home
Close-up of girl looking away while holding table
Preschool boy play toys on white background.
Man looking at camera on field
Smiling boy using laptop wearing headphone at home
Full frame shot of chess pieces
A young afro-haired man listens to music on a green background
Man working on table
Cute girl using laptop at home
Close-up of businesswoman using digital tablet