A nightmare ferry journey in The Gambia, a musical metro ride under East Berlin and a Shakespearean train journey in Russia. Kate Adie introduces correspondents' stories.

In Pakistan, Secunder Kermani explores why the university student Mashal Khan, who was accused of blasphemy, ended up beaten to death by an angry mob on campus.

In The Gambia, Shaimaa Khalil makes the long and arduous commute across the River Gambia. The ferries – which are often over-crowed and much delayed - are the only way for many people to reach the capital Banjul.

In Russian, Kirsty Lang finds that cultural ties to Britain remain strong, despite souring diplomatic relations.

And despite attempts to keep Western music out of East Germany during the Cold War, Chris Bowlby discovers that, in strange locations and in free minds, many refused to dance to the communist tune.