Ottoman Empire by Train with Alice Roberts S01E04 - Episode 4

Entering the Balkans by sleeper train, Alice makes her way through four countries as she follows in the footsteps of the Ottoman march across Europe. In Bulgaria's capital Sofia, she learns how the empire was controlled from Istanbul and how today the city's landscape is almost entirely Soviet. In Serbia, Alice encounters the shocking Skull Tower, once used as a grim warning for anyone who was thinking of rebelling.