met some young hong kong or so are documenting the protest movement. sampson wong is looking for the last traces of the protest as demonstrators retreat their messages a disappearing as well one considers himself an archivist of the movement. i find it. the 1st special way to look at the movement. for weeks protesters used this wall adjacent to the hong kong government's offices to leave messages for each other shortly before authorities started to clear the area wong and some fellow demonstrators stepped in to retrieve the messages. a large portion of all the messages about solidarity of our citizens said the facts. are there is a kind of wall and community spirit of the protest was. one of the most of vocative remnants a memorial corner for