This time around, as the series draws to a close, Daniel Vega Villar from Spain, Sarah Kakakhel from Pakistan, Aisha Yaqub from Dubai, Owais Shah from France, Zak Roesler from the US, Suzi Dutfield from the UK and Robert Patrick McCarthy from Germany give their inspiring tips.

BBC: Business

Authorities arrested Nelson Daniel Silvestri Soutto, Laura Maria Ponce Santos, Amelia Osorio and Fidel Morejon Vega last year.

CNN: STORY HIGHLIGHTS