Many people from around the world visit the Burj Khalifa in Dubai. It's the world's tallest building and man-made structure.br br Visiting a tower more than half a mile high with 162 floors is quite exciting for some people.br br [Jenny Cook, Tourist from England]:br "Quite exciting, but quite nerve-racking because I don't like height and that is really tall but quite amazing building."br br The structure of the building has amazed many visitors.br br [Alonso, Tourist from Paris]:br "It's really amazing. I don't know how they can do this thing. You know their no shake. I don't know how the structure is built. And even it's really modern, really simple and I like it!"br br The Burj was officially opened on January 4th this year.br br NTD News, Dubai.