Pink trams, flying squirrels and a taste for rock music. Mark Coles finds out about the life and character of Finland's new Prime Minister, Sanna Marin.

The first to graduate in her family, Sanna Marin entered politics at the age of 20 and rose quickly through the ranks of the Social Democratic (SDP) party becoming an MP in 2015. She now leads a five-party governing coalition.

Mark Coles asks colleagues and friends what drives the world's youngest Prime Minister.