Snowdrops at Rode Hall, Scholar Green, near Congleton, Cheshire, England, United Kingdom, Europe

School children at the Green School in Kampong Tralach, Cambodia, Indochina, Southeast Asia, Asia

Sculpture of Bengali scholar outside the Cathedral, Bristol, Avon, England, United Kingdom, Europe

Carved stone figures on front of Afrosiab Museum, also known as Afrosiyob Museum, Samarkand, Uzbekistan

Nuns queuing for a meal, Sakyadhita Thilashin Nunnery School, Sagaing, near Mandalay, Myanmar, (Burma)

A young nun studying, Sakyadhita Thilashin Nunnery School, Sagaing, near Mandalay, Myanmar, (Burma)

Nuns queuing for a meal, Sakyadhita Thilashin Nunnery School, Sagaing, near Mandalay, Myanmar, (Burma)

Via Zamboni in the university quarter, Bologna, Emilia-Romagna, Italy

Lecture in the auditorium Maximum, LMU, University, Ludwig Maximilians Universitaet, Munich, Bavaria, Germany

Lecture in the auditorium Maximum, LMU, University, Ludwig Maximilians Universitaet, Munich, Bavaria, Germany

Students in zoological training, Bio Center, LMU, Ludwig Maximilians Universitaet, Martinsried, Munich, Bavaria, Germany

Asian Students, James Cook University, Townsville, Queensland, Australia

Students at the opening ceremony of an international culture competition called Chinese Bridge, Chinese culture and education, Chongqing, People's Republic of China

Students in zoological training, Bio Center, LMU, Ludwig Maximilians Universitaet, Martinsried, Munich, Bavaria, Germany

Female student sitting at a desk with a laptop and books, top view

Students of the Escuela Ceiba school staging an election campaign, panel discussion, as part of their social studies class prior to the upcoming parliamentary elections, Lomas de Santa Faz slum, Guatemala City, Guatemala, Central America

Einstein-bust made of Lego bricks

Portrait of a girl with school book, Koh Kong Province, Cambodia

Graffiti on school wall, fence, Santo Domingo, Venezuela, South America

Professor, Wroclaw's dwarfs, Wroclaw, Poland, Europe

Colleagues studying university library

Female students rehearsing for a performance for graduation, Leon, Nicaragua, Central America

School class standing around a model of the historical city of Munich, Upper Bavaria, Bavaria, Germany, Europe

San Marcos, saint, scholar, book, quill, Catedral de San Marcos cathedral, church, Arica, Norte Grande, northern Chile, Chile, South America

Fresco, St Johns Forerunners Parish; Athens, Greece