Here in this picture, in the middle we can see a person standing on the floor and speaking something and behind him on the wall we can see a projector screen with something projected on it and in front of him we can see number of tables and chairs present and some people are sitting on it and listening him and on the right side we can see a chair present and at the top we can see lights present and we can also see a projector present and on the left side we can see some things present in the racks.