i understood it from beginning to end
it's so easy......it's talking about the last day on earth (youm al qiameh) the book he had is the book we'll all have at the end...the good book or the bad one......and the big building with the ups and downs is the way that people will take...up means heaven and down means hell
but there's just one thing i don't get.....he killed himself and still went up to heaven....that's wrong....he should end up in hell