Completed. On 16 January 2006 Cologne Fair inaugurated its four new exhibition halls and Congress-Centrum Nord. Now the fair has 75,000 sqm of open-air space and 80,000 sqm of gross space. The new congress centre has capacities for 3,000 guests, plus 9,600 in Eventhalle 9. The Rheinhallen centre was handed over to RTL.