We shot this video a few moths ago during Nathan's last visit to Krakow.
To find your way to the events, downlaod the Steemfest app from the Steemfest website: https://steemfest.com/
I have been living in Poland for last three years and I might be able to help in case you have any questions. contact me on Telegram. My username is 
YouTube Video Link:
▶️ DTube
▶️ IPFS