The Brooklyn Bridge is the most famous of the four bridges that span the East River in New York City. It’s one of New York's most celebrated architectural wonders. And for many people, it's a stunning reminder of New York's grandeur. From tourists to commuters, to people stranded without subway service during strikes, blackouts – and 9/11 – the Brooklyn Bridge has never lost its primary purpose: to link Manhattan and Brooklyn. In this documentary produced for the BBC World Service, we take the time to get to know some of the people who love this bridge.

In ancient history, the Ponte Milvio in Rome was the site of a key battle that marked the beginning of the Christian Roman Empire. Today, this bridge has become a place that has unique symbolism for lovers. The bridge is covered with padlocks. These are symbols of devotion between couples who pledge their love for each other -- as they clip a padlock to the bridge and toss the key into the river Tiber below.