/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: brandenburgpaul https://cdn.slidesharecdn.com/profile-photo-brandenburgpaul-48x48.jpg?cb=1526910125 I've witnessed the the Great Wall being built and it was by using donkeys (see http://picasaweb.google.com/paul.brandenburg for photographic evidence)