Does she have a lesson for us all? At 38, the record-breaking Brazilian footballer Marta is hoping to crown an extraordinary career by winning a gold medal in Paris.
‘Greatest athlete ever’ to star in Olympics

Glossary
Rio de Janeiro - A seaside city in Brazil with a population of 6.7 million.
Ronaldo - A retired Brazilian footballer nicknamed "O Fenomeno" (The Phenomenon). At 17 he was the youngest member of the squad which won the 1994 World Cup.