/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ZdenekHynek https://cdn.slidesharecdn.com/profile-photo-ZdenekHynek-48x48.jpg?cb=1529221332 Freelance developer specializing in processing, analysis and visualization of data and online cartography. Too big for big data. http://www.geographics.cz