Free WiFi when air is not polluted

Amsterdam, Netherlands

Fences have been beautified in Harlem

New York, NY, USA

Pop-up drinking fountain in downtown on a hot day

Pop-up drinking fountain in downtown on a hot day

New York, NY, United States

Street art for old doors

Marseille, France

Artists projected images of animals to highlight the plight of endangered species

Artists projected images of animals to highlight the plight of endangered species

New York, NY, USA

Acción Poética, el fenómeno mural-literario

Acción Poética, el fenómeno mural-literario

Monterrey, Mexico

Bicycles for refugees

Amsterdam, Netherlands

Free hugs project

Boston, MA, United States