Preserving trams, a popular heritage in Lisbon

There are now about 50 of these historic trams left in Lisbon, Portugal. — Reuters

The clatter of Lisbon’s trademark yellow trams in Portugal has been echoing through the cobbled streets for over a century but, as more and more of them are retired from service, one man is on a mission to keep the tradition alive.

In a warehouse north of the city, Paulo Marques has been collecting and restoring old, rusty trams since his first acquisition in 1996.