Maguette Ndiour stands on the edge of Senegal's Lake Retba, famous for its pink-hued waters, and points to a mound of salt slowly being shovelled into bags by men toiling under the hot midday sun.
Maguette Ndiour stands on the edge of Senegal's Lake Retba, famous for its pink-hued waters, and points to a mound of salt slowly being shovelled into bags by