sentences:  The arena has a seating capacity for 4,695 people.A 400 m speed skating indoor arena opened on 17 November 1986, and was the first covered speed skating oval in the world, one day prior to Thialf in Heerenveen which hosted the World Allround Speed Skating Championships for Men later that season.The current stadium was completed in 1970 and initially held a capacity of 20,000 spectators.