<p>Nigeria air strikes: Tudunbiri village continues to mourn dozens of deaths and cope with injuries one year later on</p><p>We look at the impact of mercury poisoning caused by illegal mining in southwestern Ghana</p><p>And how easy is it for you to travel to another African country?</p><p>Presenter: Audrey Brown
Producers: Bella Hassan and Amie Liebowitz in London., Charles Gitonga in Nairobi.
Senior Producer: Paul Bakibinga
Technical producer: Francesca Dunne.
Editors :Andre Lombard and Alice Muthengi</p>
