This is what your city would look like without light pollution

Thierry CohenSan Francisco

Photographer Thierry Cohen’s “Darkened Cities” series shows what the night sky might look like after humans and their light pollution are wiped off the planet. Without electric lights, human-made structures are reduced to geometrical patterns against a starlight-filled sky.

Thierry CohenNew York, Ground Zero

You can see larger images and more cities on Cohen’s site.

Rio de Janeiro