The felling of immersion is key for successfully virtual meetings and presentation; you must feel that you are there and people in others countries is just near you
No matter if you are in a meeting, a presentation or a gallery of your paintings, you need enough material to keep people interested in the topic and have enough material to catch the message
In any presentation a video fully immerse participants in your ideas, make that your audience see the video controlled by you as you were in a real conference room. What about a video in the entrance of your art gallery?