/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: saurabh945644 https://cdn.slidesharecdn.com/profile-photo-saurabh945644-48x48.jpg?cb=1523399615 I m very intreasted in astronomy, cosmology, robotics. and i m addict to the books of history