An ambitious plan to build a vast forest belt straight across Africa to contain desertification has taken root in Senegal, greening huge tracts of land with drought-tolerant tree species.

09/01/2017 Africa's baobab tree is beloved for its nutrional and curative properites. Also known as the upside-down tree, it's unusual appearance has captured the imagination of many.

African leaders meet to push forward the idea of planting a tree belt - the Great Green Wall - across Africa from west to east.