Lahore, #Pakistan

Children make their way to school by crossing a railway track amid thick smog in the capital.

Photograph: Arif Ali/AFP/Getty Images

@photography
#pollution
#children

Lahore, #Pakistan

Health workers administer polio drops to children during a door-to-door vaccination campaign.

Photograph: Arif Ali/AFP/Getty Images

@photography
#children
#polio
#vaccination