Once the tallest skyscraper in the world, the Kuala Lumpur Petronas Twin Towers is still the tallest twin tower in the world and the eighth tallest building in the world. The design of not only gives an intuitive visual balance, but also has practical significance - the power supply and water supply of the two towers are completely independent. Once one of them is in difficulty, the people can be quickly transferred through the air passage. The Gemini Tower is 88 stories high (Does Malaysia also have an "8" plot?), 452 meters from the ground, started construction on December 27, 1993, and was completed and put into use in 1998. It lasted nearly 5 years and cost RM 2 billion. Its emergence turned out to break the 22-year history of the world's tallest building in the Sears Tower in Chicago, USA.