View of city tram and contemporary architecture in the Barcode area on a sunny day, Oslo, Norway, Scandinavia, Europe

View of buildings and city tram in Jernbanetorget, Oslo, Norway, Scandinavia, Europe

A vertical bustling street scene in Hong Kong, China

View of people at the world's busiest road crossing, Shibuya Scramble Crossing at sunset, Minato City, Tokyo, Honshu, Japan

Thailand mother & child, slum dwellers of chiang mai

Honduras slum dwellers of tegucigalpa

Colombia social worker visits slum dwellers, altos de cazuca, bogota

Thailand slum dweller pumping water, chiang mai

Colombia slum dweller, altos de cazuca, bogota

Colombia social worker visits slum dwellers, altos de cazuca, bogota

CAMBODIA Samaky, a resettlement area for former slum dwellers who were forcibly moved out of their former homes in central Phnom Penh. Children playing at market

Aquarium, L`Oceanografic, City of arts and sciences, Ciudad de las Artes y las Ciencias, Valencia, Spain

Pedestrians on a sidewalk, Omotesando, Harajuku, Tokyo, Japan, Asia

Aquarium, L`Oceanografic, City of arts and sciences, Ciudad de las Artes y las Ciencias, Valencia, Spain

National monument of the Grimm Brothers in front of the Neustaedter town hall, Hanau, Hesse, Germany