The building was officially opened by the Prieme Minsiter of Malaysia's Tun Dr.Mahathir bin Mohamad on 1 August 1999. It is 451.9 metres high with 88 floors. Tower are constructed largely of reinforced concrete, with a steel and glass facade designed to resemble motifs found in Islamic art, a reflection of Malaysia's Muslim religion.Scale 170 metres in an elevator with a futuristic edge. The doors will open at the Skybridge, a connecting structure between the towers and the world's highest 2-storey bridge. Ascend even higher to level 86,where the story of Malaysia's vision unfolds amid breathtaking views of Kuala Lumpur.