Kate Adie introduces stories from Rwanda, Estonia, St Helena and Puerto Rico.

This weekend marks the start of the genocide in Rwanda that led to the death of more than 800,000 people – most from the country’s Tutsi minority. Three decades on, Emma Ailes met those who, against the odds, survived the violence – but continue to live with the trauma to this day.

Among those who survived the genocide is the BBC’s Victoria Uwonkunda, who was just 12 years old at the time. She recently returned for the first time in three decades, where she retraced her journey to sanctuary, and spoke to genocide survivors - and perpetrators - about the difficult path towards reconciliation and forgiveness.

As a result of the conflict in Ukraine, NATO countries close to Russia, such as Norway, Latvia and Lithuania, are expanding their military conscription programmes. In Estonia - where military service is already mandatory – our correspondent Nick Beake met some of the country’s new recruits.

Coffee from Jamaica to Ethiopia to Guatemala is a common sight in high-street cafes, but a more rarified blend comes from the Atlantic Island of St Helena. It’s high-quality and short-supply means it fetches a high price – but as Mark Stratton discovered, that doesn’t mean locals are reaping the benefits.

It's hard to escape the Puerto Rican sound of reggaeton. Now a global phenomenon, it's created superstars in artists like Bad Bunny, Daddy Yankee and Vico C. Jane Chambers went to find out how this multi-faceted music reflects both the island’s culture – and politics.

Series Producer: Serena Tarling