A waste picker crushes a concert block searching for metal rods to sell in the Mbeubeuss rubbish dump in Dakar on July 14, 2021. - Almost all of it ends up in Mbeubeuss, a landfill about 30 kilometres (18 miles) from the centre which has a notorious reputation as an environmental hazard. Pickers set fire to the rubbish to find valuable metals, for example, spewing noxious fumes onto neighbouring residential areas. (Photo by JOHN WESSELS / AFP)