At Isaac's Square will show the 3D-mapping and laser installation.
The 4th and 5th of November townspeople and guests of St. Petersburg can see a multimedia show and laser installation.
Saint Isaac's Cathedral and Mariinsky Palace will be involved in a show.
3D-mapping is a modern art technique that is including not only light, color, music and word, but also the architectural texture of building surface on which transmit the video.
Details are here: http://gorod-plus.tv/news/34092.html