answer: yes the re is just one man
question: is there just one person in the video ?
answer: yes for the whole scene
question: is he in the room the whole time ?
answer: why yes , yes he does . move it to the left corner of bookcase
question: does he pick up the chair and move it by the desk ?
answer: he is taking the books nearby and standing them upright
question: can you tell what he is doing over by the bookcase ?
answer: yes from one to the other
question: so he is straightening up the bookshelf ?
answer: no he stays pretty busy doing that
question: does he do anything else ?