Ukrainian serfdom

What is serfdom and who are serfs? What duties did they have to their owners? How did it happen that free people became the property of wealthy feudal lords?
Text, animation and production: Sergey Fomkin
Design: Anton Donenko
Facts check: Kira Orlova
Broadcaster: Arsen Bosenko
Broadcaster recording: Evgeny Shashkin
Jingle: Max Pollul