Concentrating on the Monitor
A young boy concentrating on his workbook
Student Concentrating in Class
Woman concentrating while doing paperwork
Close up of ice hockey player boy in cage helmet with look of concentration.
Harley Davidson motorcycles concentration. Barcelona. Catalonia. Spain.
Concentration of Great cormorants in Uganda
Frustrated businesspeople concentrating and trying to solve a problem
Concentrating surgeons performing operation in operating room
Businessman concentrating on his work
Professional Photographer backpacking, crouching and concentrate, making a fotgrafía with a digital SLR camera.
Business, Concentration, Work
Auschwitz concentration camp, UNESCO World Heritage Site, near Krakow Cracow, Poland, Europe
Concentrated view of hotels and casinos in Las Vegas, Nevada
campo di concentramento, auschwitz, polonia,. poland, auschwitz, concentration camp
Crematorium interior, World War II Majdanek concentration and extermination camp. Lublin. Malopolska, Poland
Young woman concentrating
A vacuum concentrator, used to dry down samples. Photo by Diane A. Reid.
Sculpture group of freed prisoners by Fritz Cremer, memorial, Ravensbrueck concentration camp, Fuerstenberg, Brandenburg, Ger...
Sculpture group of freed prisoners by Fritz Cremer, memorial, Ravensbrueck concentration camp, Fuerstenberg, Brandenburg, Germany, Europe
France, Oise, Compiègne. Wall of names at the Royallieu concentration camp memorial
Boy age 10 concentrating on decorating Christmas gingerbread house St Paul Minnesota USA
Schoolgirl concentrating while writing
Torture cell, Tuol Sleng Museum, former school, used as a concentration camp and torture prison by the Khmer Rouge from 1975 ...
Torture cell, Tuol Sleng Museum, former school, used as a concentration camp and torture prison by the Khmer Rouge from 1975 to 1979, Phnom Penh, Cambodia, Asia
Poland, concentration-camps, Auschwitz-I, labor camp, KZ-Gelände, buildings, autumn, Oswiecim, KZ, trunk-camps, prisoner-camp...
Poland, concentration-camps, Auschwitz-I, labor camp, KZ-Gelände, buildings, autumn, Oswiecim, KZ, trunk-camps, prisoner-camp-area, houses, of block, trees, camp, war-history, compulsory labor, killing, annihilation, mass-murder, prisoner camps, prisoner-
France, Bas-Rhin, Alsace Region, Natzwiller, Le Struthof former Nazi Concentration Camp, only Nazi-run camp on French territo...
France, Bas-Rhin, Alsace Region, Natzwiller, Le Struthof former Nazi Concentration Camp, only Nazi-run camp on French territory in World War Two, camp memorial monument
Poland, concentration-camps, Auschwitz-II, Auschwitz-Birkenau, extermination camps, KZ-Gelände, main-entrance, tracks, Oswiec...
Poland, concentration-camps, Auschwitz-II, Auschwitz-Birkenau, extermination camps, KZ-Gelände, main-entrance, tracks, Oswiecim, Brzezinka, KZ, buildings, main buildings, rails, tracks, gate, camp-gate, tower, gate tower, drive, entrance, watchtower, fenc
Concentration camp memorial place Flossenbürg , Upper Palatinate , Bavaria Germany
Young girl eats breakfast before going to school. This is very important for children as they maintain concentration if they ...
Young girl eats breakfast before going to school. This is very important for children as they maintain concentration if they have a healthy breakfast.
Auschwitz Nazi Concentration Camp, Oswiecim, Poland
Portrait of young woman with eyes closed and fingers on her temples, concentrating
A couple, poses for photographer with his scooter and custom style dressed in Cuevas del Mar beach during Llanes scooters con...
A couple, poses for photographer with his scooter and custom style dressed in Cuevas del Mar beach during Llanes scooters concentration. Asturias. Spain.
students, meadow, school_records, lie discusses, series, people, teenagers, students, friends, schoolmates, school_colleagues...
students, meadow, school_records, lie discusses, series, people, teenagers, students, friends, schoolmates, school_colleagues, friends, hip, clique, park, records, learning, together, concentration, conversation, teamwork, teamwork, leisure time, symbol,
Oak Ridge, Tennessee - The American Museum of Science and Energy The museum has a heavy concentration on nuclear energy and t...
Oak Ridge, Tennessee - The American Museum of Science and Energy The museum has a heavy concentration on nuclear energy and the role Oak Ridge played in the Manhattan Project, which produced the first nuclear bomb
Close-up of concentric circles superimposed on a blue background
Mother and young daughter sitting in a garden painting
woman, bare, basin_edge, stands, poor, stretches out, at the side, series, people, long_haired, brunette, bodies, slim, figur...
woman, bare, basin_edge, stands, poor, stretches out, at the side, series, people, long_haired, brunette, bodies, slim, figure, femininity, concentration, refreshment, cooling, leisure time, sport, swims, activity, health, Lifestyle, indoors, swimming poo
Woman running with her dog
Close-up of a young woman looking away
Man reads a newspaper, Cyprus
Young girls drawing pictures with Chinese brush and ink
Mother and Son Reading Guidbook
Close-up of a young woman wearing a sports helmet
Young woman looking at a hand mirror
Man, desk, computer work, smiling, portrait Men´s portrait, 20-30 years, blond, smiling, office, office worker, job, computer...
Man, desk, computer work, smiling, portrait Men´s portrait, 20-30 years, blond, smiling, office, office worker, job, computers, work, works, data processing, data input, concentration, Mouse, Computermouse, Funkmouse, background, windows,
Office Worker Meditating at Work
IN*Pologne, camp d'Auschwitz Birkenau, gros plan sur affiche imprimée (ordre de déportation)
Golf course, golfers, detail, legs,, Clubs, ball, reduction Sport, lawn sport, man, golfers, athletes, golf clubs,, aims, con...
Golf course, golfers, detail, legs,, Clubs, ball, reduction Sport, lawn sport, man, golfers, athletes, golf clubs,, aims, concentration, ball, golf, refuses to gulves, Golf games, activity, golf lawns, lawns, lawn sport, Sport, hobby, leisure time, c
Portrait of a musician with his stringed instrument at Alipur village near Rawalpindi, Pakistan, Asia
Woman in Broadcasting Studio
Businessman looking at puzzle pieces
Schoolchildren Studying In Classroom With Teacher
RADIOTHERAPY APPARATUS. RADIOTHERAPY APPARATUS Photo essay from hospital. Apparatus ´Shaped beam surgery´ Novalis for stereot...
RADIOTHERAPY APPARATUS. RADIOTHERAPY APPARATUS Photo essay from hospital. Apparatus ´Shaped beam surgery´ Novalis for stereotaxic radiosurgery, that enables to destroy tumors specifically. This device delivers precise doses of high energy irradiation on benign or malignant lesions of the brain or vertebral column. It allies stereotaxic neurosurgery technique of neurosurgery using very precise localization and in three dimensions of the lesion and the multibeam radiotherapy concentration of very
A man with an entangeled fishing-line, close-up.
Close-up of a young woman listening to music
Girl 4_5 counting stack of coins
Drop falling off green leaves into water
ELDERLY PERSON READING. ELDERLY PERSON READING Model.
Portrait of a businesswoman using a handheld electronic organizer in rural setting
Young men playing a video game
Young businesswoman with eyes closed
Mountain biking aspirations
Manager working in an office with a trainee at the computer
An Asian man working on a laptop in an office setting
woman paying bills on couch
Young arab woman with digital tablet sitting at the shopping mall.
Smiling businesswoman in headset working at computer
Mid adult woman playing the guitar
Teenage Male Student In Working In Classroom
Mother and baby boy 12-24 months, mother using laptop
Young lady reading and writing outside in summer dress
A young male climber on an overhanging route in the desert
Mid adult woman with potted plant.
Man teeing off on a golf course
women doing chi-ball exercises
Businessman reading document
Springville, Utah, USA, Ballet dancer (12-13) stretching
Glueckliche schwangere Frau macht Gymnastik, pregnant woman doing exercise
Male swimmer having hands on the hips
A close up of a boys arms creating a mosaic tile Not released
Man with hardhat talking on mobile phone
Students and teacher examining potted plants through magnifying glass
Woman sitting on floor with laptop with documents around
Woman with pile of books, smiling
A man working at a computer
Woman meditating while floating in air
Woman doing yoga pose in field
Germany, North Rhine Westphalia, Cologne, Young woman with digital tablet
Lady busy on the computer.
Hispanic girl writing on classroom blackboard
Man standing in river by waterfall meditating front view full length
Close-up of a young woman brushing her eyebrow
Woman doing crossword puzzle
Young male snowboarder riding pillow drop in Kicking Horse Resort Backcountry, Golden, British Columbia, Canada
Mature woman sitting cross legged in meditation smiling
A male skier skiing down a mountain
Physicians Conversing in Hallway
Portrait of young woman with eyes closed and fingers on her temple, concentrating
Smiling student using computers in computer lab
Young Girl Sitting On A Sofa Reading A Book
Businesswoman Using Phone and Computer in Office
A girl sitting on a tree branch and looking at a leaf with a magnifying glass
Woman looking through microscope
Dark_skinned young man with soap_bubble, making a gesture of silence
Man and woman doing paperwork
Construction worker wearing a white hardhat smoking a cigarette
Businessman working in office
Germany, Cologne, Mother and children cutting vegetables in kitchen
View of a woman exercising.
Germany, Emmering, Teenage girl and young women playing musical instruments
Tradesman Sawing Timber at Construction Site
Mid age man playing acoustic guitar
Woman looking through microscope
Close-up of a businessman using a laptop
SCHOOLCHILD. Primary school, class of 1st grade. Dictation of words to copy on a slate.
Close-up of a water drop rising on the surface of water
Child working on homework on white background
Bearded man wearing spectacles, staring out at the window with a patterned reflection obscuring slightly
Mixed race boy using laptop on sofa
Baby boy playing with blocks
Trainee chef wiping gourmet dessert in commercial kitchen
Young couple with laptop sitting near wind turbines.
Male teacher teaching his student in a classroom
Hispanic woman shopping on internet with credit card
Reading a Poem Lawrence Alma-Tadema (1836-1912 Dutch) Private Collection
Male senior friends playing go
People working in a restaurant, New Mexico State Fair, Tijeras, Albuquerque, New Mexico, USA
Man lying on sand, reading, close-up
Husband and wife using a laptop
Senior man´s upper face, side view, b&w
Man aiming basketball, concentrating
Asian woman applying lipstick
Woman writing on notepad by garden pond
REM view dream machine, 2002.
Surgeons attending to patient on bed in operating room
Group of executives at conference meeting
Czech Republic, Group of tourist photographing and looking up; Prague
Man lifting barbell in gymnasium
Young boy hunting frogs in the swampy lake
Man Playing with Soccer Ball
Businessman using cell phone
Illustration from Harmonia Macrocosmica by Andreas Cellarius, plate representing constellations of the boreal celestial hemis...
Illustration from Harmonia Macrocosmica by Andreas Cellarius, plate representing constellations of the boreal celestial hemisphere, detail, published in Amsterdam, 1660
Portrait of a businessman throwing a javelin
Skier in the backcountry, Whistler, BC, Canada
Portrait of a businessman using a laptop on car bonnet and smiling
Young woman in shoe store trying on stilettos
Businessman reading a newspaper, Gurgaon, Haryana, India
Saddle-billed Stork Ephippiorhynchus senegalensis Standing in Water Moremi Wildlife Reserve, Botswana
Grandpa and grandson practising Chinese calligraphy
Young businesswoman looking away
hardwood floor installation for a home renovation, st. albert, alberta, canada
Woman jogging on urban sidewalk
In office, two women working at laptops, one man walking and reading newspaper
Young woman and man studing together in a library
Caucasian girl using laptop and listening to mp3 player
Yoga at the Four Seasons Resort, Ubud, Bali, Indonesia, Southeast Asia, Asia
Businessman busy at the office.
Caucasian boy watching father work on car engine
Male Geek employee looking at images on the computer at work
Shadow of a man aiming with a revolver
Back View of Woman Standing in Front of Hurdles on Track
Man reading book in library
Woman putting a bamboo in vase
Schoolgirl Looking at Blackboard
Knoxville, Tennessee, United States Of America, A Young Girl Playing With A Wooden Puzzle
Woman Standing with Bow and Arrow in Front of Shelf in Supermarket
Young girl 16_17 playing volleyball
Four year old boy playing games on a laptop
Row of leaves above water
African female doctor looking to side with chin in hand
Fish Tale Diana Ong (b.1940 Chinese-American) Computer Graphics
A woman doing stretching exercises at a gym, Sweden.
Man standing on beach, doing tai chi, full length
Austria, Tyrol, Innsbruck via ferrata,