Our World looks at the worst invasion of desert locusts East Africa has seen for decades. Just an average swarm can eat the same in a day as 2,500 people in a year. Show more
Discover 11,128,835 listings and 280,379 playable programmes from the BBC
Our World looks at the worst invasion of desert locusts East Africa has seen for decades. Just an average swarm can eat the same in a day as 2,500 people in a year. Show more