Journey across Africa through its border towns, from Namibia’s peaceful Rundu to the vibrant Lagos-Badagry crossing.

By 2050, Lagos is projected to swell to 36.9 million residents, more than double its current population of 17.16 million.

The Association of Housing Corporations of Nigeria has warned that rapid urbanisation is worsening housing pressure in major cities, leading to rising costs, infrastructure strain, and increasing ...