At a staggering 452 meters in height the Petronas Towers dominate the skyline in Kuala Lumpur. The Petronas Towers are the worlds "tallest freestanding" towers in the world housing an assortment of office buildings, a contemporary concert hall and the Malaysian Philharmonic Orchestra in the Petronas Malaysia Philharmonic Hall. The geometric impressions on both towers are often found in Islamic architecture. Two overlaid and rotated squares each encompass small, rounded in fillings adorned on the Petronas Towers. Many architects describe this special pattern as symbolizing stability, unity, harmony and rationale which are all important Islamic principles. Special highlights of the Petronas Towers include high-speed double deck elevators and an exciting double deck Sky Bridge.