The Top Of The World,OUTLINE,Science and technology The humanities,The highest building,KHALIFA TOWER（哈利法塔）located in Dubai, United Arab Emirates （阿拉伯联合酋长国，迪拜 ）is 828 meters tall , has 169 stories. More than 1,000 feet higher than the previous record holders: Taipei 101 in Taiwan . Theres plenty to enjoy including four swimming pools, the worlds tallest performing fountain, a private library and a hotel . To help folks reach their destinations, the building includes 57 elevators.,Which Square is the largest ?,?,?,Xinghai Square,Xinghai Square (Chinese: 星海广场) is a city square in Dalian, China . With the total area of 1,100,000 square meter , it ranks as the largest square in Asia.,largest swimming pool,Worlds largest swimming pool opens in Chile（智利） at San Alfonso del Mar resort (圣爱尔福索德马旅游胜地)on the Chilean coast, It has a capacity of 250 million liters（公升） of water, which is equal to 6,000 pools of medium size. Its length is 1,136 meters as recognized by the Guinness record.,The Worlds Biggest airliner Building,the airbus A380,The Airbus A380 superjumbo , double-decker passenger jet , is the largest airliner ever built . Lengthwise, it would nearly stretch from goal line to goal line of a football field,while its wing tips would hang well beyond the sidelines. The decks(甲板) will run along the entire length of the plane. It could accommodate as many as 853 passengers.,The Lightest cell phone,modu Made in Israel Size: 72377.8mm Weight :40 g,Modu jacket,By Modu jacket we can change a new cell phone just as easy as change our own coat.,With the development of the technology , the world change with each passing day. Today its the first, tomorrow it may be the second or the third one , even be forgotten by people. So never close up your discoverable eyes and open up your heart of following the progressive era.,3,PICTURE START,The world is so big that there is no lack of strange things,Thank you,