Signal Festival in Prague
During the 97th EGPRN Meeting in Prague you will experience the festival of digital and creative artworks from light design on the streets. The Signal Festival is held every year these days and is very popular.
https://www.signalfestival.com/en/signal/
Most of shows are for free, always in the evening and at night. On the interactive map, you can see that the show places are all between the conference venue and Kaiserstejn Palace.