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Available for over a year

We visit one of the richest wildlife locations on earth, the Serengeti National Park in Tanzania. The �鶹��'s Lucy Hooker reports on plans to upgrade a road through the region; hearing from local people who yearn for better transport links to the commercial hubs on the coast and environmentalists who fear for the delicate ecological balance of the park. Elsewhere in East Africa we hear about a huge railway project to link the Kenyan port of Mombasa to South Sudan, Ethiopia, Rwanda and Uganda. And how tongue piercings could soon help paralysed people to operate wheelchairs and complete simple tasks.