BBC's Pop Up team is in Russia telling the stories you've asked for.

This week, they went to see an Islamic Sufi prayer ceremony known as Zikr, and found out more about its background in Russia.

Do you have a story you've always wanted filmed about Russia? Send your ideas and comments via Twitter using #bbcpopup or email bbcpopup@bbc.co.uk.

Produced by Maxim Lomakin and Emma Wells