The rescue workers sifting through the rubble in Mexico and the African migrants that refuse to give up on their European dreams. Kate Adie introduces correspondents' stories.

In Mexico City, Rajini Vaidyanathan joins the search for survivors following the earthquake earlier this week. Benjamin Zand follows the deadly migrant route through Niger, Nigeria, and Libya which thousands of people pass along in the hope of reaching Europe. Steve Rosenberg takes a Magical Mystery Tour with the Russian military in Syria. Rosamund Jones visits the Icelandic isle of Grimsey – population 80 people and hundreds of thousands of birds. And Neil Trevithick visits the forests of Myanmar, where people have suffered but wildlife has been left to flourish.