“Pop-up,” mobile, modular library in Stadtgarten

“Pop-up,” mobile, modular library in Stadtgarten

Cologne, Germany

Bicicletas y remolques para cargar la compra y llevarla a casa

Bicicletas y remolques para cargar la compra y llevarla a casa

Copenhagen, Denmark

Pedal-powered mobile library

Pedal-powered mobile library

Denver, CO, United States

Buzones de intercambio vecinal

Buzones de intercambio vecinal

Geneva, Switzerland

Chinese ‘dancing grannies’ help out in anti-drugs fight

Chinese ‘dancing grannies’ help out in anti-drugs fight

Guangzhou, Guangdong, China

A Facebook page set up to save the trees quickly

A Facebook page set up to save the trees quickly

Hanoi, Vietnam

DNA profiles of litterers in the streets

DNA profiles of litterers in the streets

Hong Kong

#Skateistan – Skateboarding to empower youngsters

#Skateistan – Skateboarding to empower youngsters

Kabul, Afghanistan