It is little known that when the Titanic, the biggest ocean liner on the seas, sank in 1912, there were eight Chinese passengers on board. Six of them survived. Their story - of survival, and how they were pilloried afterwards - has now been told. Guest: Steven Schwankert, author and documentary maker, Sinophile. Book ‘The Six: the untold story of Titanic’s Chinese survivors’ (The History Press)  Producer: Ann Arnold