In a small farming village in Cameroon, some special motorcycles are several meters long and carry men and goods to Bafoussam, the region's main city, located about 15 kilometres away.

On a small island surrounded by hundreds of wooden huts on stilts, in the middle of Lake Nokoue in southeast Benin, a giant painting is taking shape. French artist 'Saype' is busy transforming a playground in the floating village of Ganvie, the latest site in his "Beyond Walls" project, featuring interlaced hands.

A giant 400 metre-long portrait of Bangladesh's founding leader Sheikh Mujibur Rahman in a rice field is adding to the mania to honour the slain president as celebrations mark the country's independence 50 years ago. A private seed firm spent two months designing and planting purple and green rice over the 13 hectares (33 acres) of land to make the portrait of the father of current Prime Minister Sheikh Hasina.

Aerial images show a wide crack in the ice, vast iceberg almost the size of Greater London has broken away from the Antarctic ice shelf near a British research station. The iceberg measuring 1,270 square kilometres (490 square miles) had broken off from the 150-metre-thick Brunt Ice Shelf in a process called "calving", almost a decade after scientists of the British Antarctic Survey first detected growth of vast cracks in the shelf.

Segun Odejimi talks about the process behind writing an ad copy for Nigeria telecommunication giant, Airtel.