Motor bike taxis drive past Kofar Aliyu Jedo, a city gate in ancient Sokoto, northwest Nigeria on September 21, 2021. - On one of the routes taken by the camel caravans during the trans-Saharan trade era, the town of Sokoto is still, two centuries later, a major commercial crossroads for millions of people living in the far northwest of the country. Nigeria. | PIUS UTOMI EKPEI/AFP via Getty Images
