Attendees of this transport-themed "unconference" can suggest their own session topics and activities. Photo by Ryan Resella.
The community-driven art project is meant to confront the negative imagery of informal settlements in Rio de Janeiro. Photo by Leonel Ponce.
Public spaces, like this one in Mexico, have an important role in building and improving community. Photo by Dani Simons.
Originally a project out of San Francisco, PARK(ing) Day is a now global event. Photo by Gosia Malochleb.
Women-only trains have been in Mumbai for about 10 years. Photo by Madhav Pai.