About a century ago, the largest city in West Africa - Lagos, Nigeria - extended an extra two miles into the Atlantic Ocean. However, over time erosion caused the coastline to collapse into the sea.

In Lagos, Nigeria’s commercial center ... in the case of the ultra-elite planned city of Eko Atlantic, 3.5 square miles of land recovered from the ocean), ambitious Lagosians struggle ...

Flanked by lagoon waters and the Atlantic Ocean, Nigeria's economic ... integrated public transport as Lagos barrels towards becoming the world's most populated city by the end of the century.