With mining activity set to expand around Cerro de Pasco, the city's residents continue to struggle with the effects of historic pollution.
Beijing, China — China's poverty-stricken northwest is swathed in sand. The deserts are creeping over ever larger areas, in part because of weather changes linked to climate change. Sean Gallagher a young British photographer travelled to Ningxia to document China's growing sands.
"You can smell a sandstorm.
As I woke this morning, my throat was drier than normal and the smell of dust and sand had crept into my room whilst I was sleeping.
I opened my curtains expecting to see the Yellow River out of my window but all I could see was a haze of yellow light."