The House of Lords opens up the chamber every year, inviting people from across the UK to take part in a debating event.
2017 Chamber Event: The UK and international relations
The 2017 debate will focus on the challenges for international relations in the 21st century.
Subjects up for debate in recent years have included free speech, defence and remembrance, social care, climate change and the future of the Lords itself:
Image: House of Lords 2017