 It opened one month ahead of schedule in September 2003.Today, the first four phases are referred to as the "West Building", and Phase V is referred to as the "North/South Building", as it is divided into North and South Exhibition Halls which can be joined to form one large exhibition space or subdivided into six different halls (North A1, North A2, North B, South A1, South A2, South B).The North/South Building has of exhibition space.