Monkey puzzle tree (Araucaria araucana), El Toro Lake, Huerquehue National Park, Pucon, Chile, South America

Low angle view of monkey puzzle tree (Araucaria araucana), Huerquehue National Park, Pucon, Chile, South America

Low angle view of monkey puzzle tree (Araucaria araucana), Huerquehue National Park, Pucon, Chile, South America

2008 Olympic Games official Fuwa mascot puzzle ball in souvenir shop, Wangfujing Street, Beijing, China

Disability, bulgaria. Anunciation center for people with severe mental and physical disabilities, sofia

Kenya woman making jigsaw puzzle, nairobi

Aerial of maze, Reignac-sur-Indre, Touraine, Centre, France, Europe

A sudoku puzzle

A maze at a french chateau in the Dordogne, France, Europe

Caucasian man assembling jigsaw puzzle in boat near window

Caucasian girl solving jigsaw puzzle

African woman reading newspaper

Autism, Genetics Research

Gaojia motorway, Gaojia, elevated highway system, Hochstrasse, Bruecke, bridge, Autobahnring, Autobahnkreuz im Zentrum von Shanghai, Hochstrasse auf Stelzen, Kreuzung von Chongqing Zhong Lu und Yan'an Dong Lu, Expressway, blue illumination, blaue Illumination, puzzle of concrete tracks, puzzle of concrete tracks, aus: "Mythos Shanghai", Shanghai, Sachbuch, Bildband, Fotos Karl Johaentges, Text Erich Follath, Verlag, Collection Rolf Heyne, 2005

Gaojia motorway, Gaojia, elevated highway system, bridge, im Zentrum von Shanghai, Expressway, network, interchange, junction, puzzle of concrete tracks

Gaojia motorway, Gaojia, elevated highway system, bridge, im Zentrum von Shanghai, Expressway, puzzle of concrete tracks, puzzle of concrete tracks

Gaojia motorway, Gaojia, elevated highway system, bridge, im Zentrum von Shanghai, Expressway, interchange, structure, puzzle of concrete tracks, blue

Gaojia motorway, Gaojia, elevated highway system, bridge, im Zentrum von Shanghai, Expressway, puzzle of concrete tracks

Gaojia motorway, Gaojia, elevated highway system, bridge, im Zentrum von Shanghai, Expressway, puzzle of concrete structure, blue

St. Mary's Pre-School, kindergarten, City Quay, Republic of Ireland, Europe

World Autism Awareness Day concept

Picture puzzle, faces hidden in ornaments, painting on the remants of the Berlin Wall, East Side Gallery, Friedrichshain district, Berlin, Germany, Europe

A young male working on a crossword puzzle the Cordillera Blanca, Peru.

A father sitting down with his daughter in the kitchen to read a book and build a puzzle while holding his baby in his lap: Edmonton, Alberta, Canada

A father sitting down with his young daughter in the kitchen to read a book: Edmonton, Alberta, Canada

Pehuen or monkey-puzzle trees (Araucaria araucana) and Lanin Volcano, Lanin National Park, Argentina

A young boy playing with giant jigsaw puzzle, United States

Teenage girl with electronic book

Father watching daughter (2-3) play 

Girl with electronic book