Petronas towers the world tallest twin towers located in kuala lumpur are 88 storey buildings designed by cesar pelli & associates that are joined at the 41 st and 42 nd floor ( 175 m above the street level ) by a 58 metre long double decker sky bridge . Standing 452 meters tall the architecture of these buildings was inspired by malaysian and Islamic culture and primarily house the corporate headquarters of petronas company and other offices. After 6 years in construction the towers were completed in 1998 and consists of 89000 sq ft of laminated glass to reflect harmful UV rays . The petronas towers are placed on the world’s largest foundation that is 120 meters approx 400 ft and the sky bridge can move independently from the towers . The towers taper towards the antennas that are placed on top to stabilize the towers structurally. A reflection and homage to the dominant islamic culture of malaysia these towers are a major landmark of kuala lumpur.