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Schwierig Bilder ❘ Science Photo Library
12943420 - Businessmen on top of piles of dice, illustration
12942939 - Brain as storm cloud, illustration
14081344 - Pneumothorax, illustration
14081333 - Pneumothorax, illustration
12943897 - Unhappy couple, illustration
12895027 - Irregular labyrinth
12895026 - Irregular labyrinth
12402804 - Classroom, Illustration
12397144 - Illustration of businessman stepping in large shoes
14081352 - Tension pneumothorax, illustration
14081343 - Pneumothorax, illustration
12944848 - Girl looking at alphabet blocks, illustration
12897232 - Will O the Wisp, c19th century
14081355 - Tension pneumothorax, illustration
14081329 - Pneumothorax, illustration
12959722 - Woman mountain biking,illustration
12946662 - Contrasting economic systems, illustration
12945669 - Woman struggling to fasten tight dress, illustration
12942499 - Man holding garbage confused by recycling bins, illustration
12894958 - Blind woman reading Braille on a food label
12420968 - Student with a calculator, map and protractor
12397111 - Illustration of business ups and downs
14081327 - Pneumothorax, illustration
14081233 - Haemopneumothorax, illustration
14081208 - Haemothorax, illustration
12946679 - Maths collage, illustration
12946555 - Hospital ward being squeezed inside of syringe, illustration
12946322 - Man in wheelchair in centre of maze, illustration
12945118 - Woman taking medicine at work, illustration
12941046 - Exhausted runner, illustration
12944935 - Two schoolboys standing in police line-up, illustration
12943477 - Girls coping and struggling with numbers, illustration
12941102 - Hands untangling wool from inside woman's head, illustration
12397157 - Illustration of businessmen shaking hands
13635650 - Prostatitis, illustration
12946699 - Business incentives, illustration
12944120 - Man looking up at health insurance statement, illustration
12941820 - Male robot head, illustration
12397178 - Illustration of career selection
12944029 - European Union flag with confusing arrows, illustration
12941079 - Woman lost in night woods, illustration
12397255 - Illustration of doctors joining heart
12397138 - Illustration of businessman running on clock
14081334 - Pneumothorax, illustration
14081326 - Pneumothorax, illustration
12946708 - Tally chart for giving up drinking, illustration
12946664 - Manager using both carrot and stick, illustration
12945049 - Businessman struggling to balance, illustration
12943879 - Woman hiding depression from friend, illustration
12397564 - Illustration of question mark with maze
12397121 - Illustration of businessman coming out of a maze
14081359 - Tension pneumothorax, illustration
14081236 - Haemopneumothorax, illustration
12941041 - Melting wax candle of man running, illustration
14081361 - Tension pneumothorax, illustration
14081356 - Tension pneumothorax, illustration
12945063 - Drooping penis, illustration
12942861 - Internet security, illustration
12942860 - Internet security, illustration
13427443 - Two astronauts helping each other to climb a hill
12946543 - Businessman balancing on compass wheels, illustration
12945174 - Doctor filling syringe from hourglass phial, illustration
12940862 - Open water and sea wall, composite image
12941075 - Young actor with stage fright, illustration
13507591 - Child being tested on shapes
12943474 - Nervous man peeping out into code maze, illustration
11726194 - Quantum mechanics,conceptual image
12897332 - Water Rail (Rallus aquaticus), 1900, (1900)
13171616 - Unhappy woman using laptop
12635342 - Tree on Cliff, Arizona, USA
13507590 - Child being tested on shapes
12420969 - Students measuring distances on a map
12050031 - Bendego Meteorite recovery,illustration
13586266 - Jumping through hoops, conceptual illustration
12397221 - Illustration of construction worker building house
12397112 - Illustration of businessman balancing himself on arrow
12397139 - Illustration of businessman searching way in maze
11586523 - Money worries,conceptual artwork
12096178 - Mathematics education
12096176 - Mathematics education
12952405 - Man surrounded by sharks
12096172 - Mathematics
11655432 - Scoring a difficult goal,concept
13301327 - Businesswoman balancing empty coffee cups
12096173 - Mathematics education
11623490 - Elderly man peeling a carrot
12038779 - Complexity of Income Tax Return
11623482 - Elderly woman opening a jar
13300141 - Children covering their ears as boy plays
11632731 - Maze,artwork
11623487 - Elderly man opening a tin
11632733 - Winner,conceptual image
13301345 - Businesswoman resting chin in hand
13301307 - Businessmen talking on city street
11614827 - Searching,conceptual artwork
11608483 - Maze,artwork
11623486 - Elderly woman opening a tin
12096170 - Mathematics education
11876015 - Balancing feet
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