Here is this year's video. The walkthrough until 3:26, then the screams begin until the end.
//https://plus.google.com/102329724404299263592/posts/beTJebPf4UK?pid=6077154231645881410&oid=102329724404299263592
//https://plus.google.com/102329724404299263592/posts/beTJebPf4UK?pid=6077154231645881410&oid=102329724404299263592